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Conference Server User Guide v. 7.3

1. Conference Control General User Conference Manager MeetingPlanner Applet MeetingPlanner Applet Create a Scheduled INO YES Conference specify start date start time conference duration and repeat interval Create a Temporary YES YES Never repeat option Conference Edit a Conference NO YES Remove a Conference NO YES Specify Conference Name YES YES Specify Conference Greeting YES YES Specify Conference Password YES YES Limit Maximum Participants NO YES up to number specified by the Template Specify Conference YES YES Authentication Limit Conference to Specific NO YES Participants Create and Edit User Records NO YES Send E mail Invitations YES YES Distribute to your end users the user names and passwords you have defined for them in their user records These are used to log in to the Conference Server MeetingPlanner applet MeetingPlanner To access the Conference Server MeetingPlanner applet launch your Web browser and connect to the following URL http lt yourserver gt 8080 cs planner html 111 Click to Meet Conference Server User Guide Note that lt yourserver gt is the IP address or the hostname of the computer on which your Conference Administrator Web pages are located For example you can enter the URL using either of the following formats http 100 11 2 3 8080 cs planner html http events radvision com 8080 cs planner html The MeetingPlanner laun
2. 80 Click to Meet Conference Server User Guide links are represented by the word to Bi directional links are represented by the word between This information helps you to avoid creating layouts with conflicting links However if you do inadvertently create a layout with a conflicting link and try to apply it to a conference the Conference Server displays an error You cannot save or apply the layout until you remove the conflicting link 81 Click to Meet Conference Server User Guide Managing User Access to Conferences The following sections provide information on managing users to enable smooth conference performance You can set permission levels in order to control user access to conferences The Users Area The Conference Server lets you control access to conferences through the Conference Administrator database The database installs and integrates completely with the Conference Administrator Web pages Although you can install the Conference Administrator Web pages on multiple computers only a single database can serve the domain When you set up a domain you specify which server maintains the user database When you make a change to the user database the database forwards the change to all Conference Servers in the domain The Conference Administrator database does not keep a record of every user that connects to your Conference Server Rather the Conference Server uses the database to maintain records of participa
3. If you exit the applet but keep the CallOut applet launch page active in your browser window you can restart the applet by clicking your browser s Reload Netscape Navigator or Refresh Microsoft Internet Explorer button If you request that Conference Server issue a callout to a client to join a conference that is linked between multiple servers Conference Server will place the client into the conference on the server where the user database is located You cannot specify which server the client should connect to in a linked conference To request that Conference Server initiate a conference connection with an H 323 T 120 or SIP client follow these steps d Click the Select Conference pull down menu and select an H 323 T 120 or SIP conference from the list The pull down menu displays a list of all public conferences in your Conference Server domain lt includes both active and scheduled conferences It does not display conferences that have been specified as Private or CUSM only in the conference configuration If the conference is password protected the applet displays a conference password dialog Enter the password for the conference you selected and click Submit The main window of the CallOut applet displays 3 Select the protocol that will be used either H 323 T 120 or SIP Note A SIP callout must be made from a SIP enabled conference not necessary H 323 enabled A T 120 callout can be made from a 1 120 enab
4. Enter the gatekeeper parameters as applicable Once you add a Conference Server to a domain you can e Add Add a new Conference Server to the domain and enter the server wide settings e Edit Edit the Conference Server server wide settings e Remove Remove the Conference Server from the domain e Shut Down Stop the Conference Server and allow automatic restart or shut it down completely Gatekeeper Settings You can individually configure each Conference Server in a domain for H 323 gatekeeper services Click the appropriate gatekeeper button and fill in the fields that apply Optional Gatekeeper terminal aliases for Conference Server The Conference Server lets you associate a unique identifying string with an H 323 endpoint The string called a terminal alias identifies an endpoint when it registers with the gatekeeper Certain gatekeepers require that endpoints register using a specific format The Optional Gatekeeper terminal aliases for Conference Server option allows you to customize a terminal alias to conform to gatekeeper requirements 18 Click to Meet Conference Server User Guide You can specify the following terminal aliases e H 323 ID terminal alias H 323 endpoints generally use H 323 ID terminal aliases to specify which endpoints to connect to through a gatekeeper An H 323 ID terminal alias can contain any keyboard character up to a maximum of 128 characters e E 164 terminal alia
5. CLICK MEET CONFERENCE SERVER User Guide RADVISION Ltd Click to Meet Conference Server User Guide Proprietary Information The information contained in this online document is subject to change without notice RADVISION Ltd makes no warranty of any kind with regard to this written material RADVISION Ltd assumes no responsibility for any errors that may appear in this document or for incidental or consequential damages in connection with the furnishing performance or use of this document Click to Meet Click to Meet Conference Server and CU SEEME are trademarks of RADVISION Ltd Elemedia is a trademark of Lucent Technologies Inc Java is a trademark of Sun Microsystems Inc Microsoft Windows NetMeeting Office Communicator Live Communications Server Internet Explorer and Windows Media are either registered trademarks or trademarks of Microsoft Corporation in the United States and or other countries Linux is a trademark of Linus Torvalds Red Hat is a registered trademark or trademark of Red Hat Inc in the United States and or other countries All other product names used in this document are trademarks or registered trademarks of their respective manufacturers This product includes software developed by the Apache Software Foundation http www apache orq This product includes software developed by Borland Software Corp This product includes software developed by The Legion Of The Bouncy Castle Copyright
6. Option This conference is limited to specific participants 9 MeetingPlanner displays a screen with two selection boxes Available Participants and Invited Participants The Available Participants box lists the names of any users previously defined for your organization These include 10 Users that your Conference Server administrator assigned General User status and associated with your organization by creating a user record in Conference Server s Conference Administrator database 11 Users that you and other conference managers from your organization have defined in the MeetingPlanner applet for other conferences Click Add New to define a new user that you would like to include as a participant in your videoconference For each new user you must enter the following information and click OK in the Add User screen User Name Accepts a maximum of 32 characters Password Accepts a maximum of 15 characters Last Name Accepts a maximum of 35 characters First Name 117 Click to Meet Conference Server User Guide Accepts a maximum of 35 characters E mail Accepts a maximum of 50 characters Note The user identifier fields do not accept the following characters double quote 3 single quote back slash 1 forward slash semi colon asterisk question mark and percent sign Additionally the Username and Password fields do not accept spaces The username for each user you defi
7. The following table gives a description of each conference attribute A Audio Enables participants to send audio B Broadcast Enables one way broadcast only admitted senders can transmit C Chat Allows participants to send chat K E Enable Disable Enables the conference for client access H H 323 Enabled Allows H 323 users to participate in the conference and enables a matching T 120 data conference Invitation Only Allows only clients with an invitation to the conference to connect 1 K Loopback Allows users to view their own video CuseeMe protocol self reflect L Local Keeps participant data streams local to the Conference Server M Multicast Enables distribution to clients via multicast group address Enables continuous presence for the conference O Broadcast with Enables two way interaction between admitted senders Participation and observers no interaction between observers Sets the conference to hidden R Root Denotes a master conference participants are part of all conferences on server S Self reflect Allows CuseeMe protocol participants to view their own video streams in a remote window T T Template Denotes a conference template which is not enabled Authentication Denotes that users must authenticate in order to enter the conference U Vv Video Allows participants to send video W White Board Enables a matching T 120 conference for a non H 323
8. IP address in order to assign Moderator permission A user with Moderator permission for a particular conference can access the Monitor Users page for the conference You can do the following from the Monitor Users page Deny User Add a user s IP address to Conference Server s deny list maintained in the user database file This disconnects the user and prevents the user from reconnecting Users can be added to the deny list for a specific conference or to the deny list for all conferences in your domain Disconnect User Temporarily disconnect a user from a conference Participants that you disconnect are allowed to reconnect after one minute Grant Floor Dynamically grant Admitted Sender status to a participant in the conference When a participant is granted the floor his video audio and chat can be seen by other members of the conference even if this is not otherwise permitted in the conference Revoke Floor Dynamically revoke Admitted Sender status from a participant Set Video Source Turn off timed or voice switched video and force all participants in the conference to see the user selected Clear Video Source 83 Click to Meet Conference Server User Guide Set the conference back to timed or voice switching as was originally selected for the conference The Moderator permission is very useful when you want to control participation in a conference For example in a distance learning environment a prof
9. Linking Data Streams 2 00 sietan Sai oireeni andad dt 75 Multicast E e DEE 75 Sege Tute 75 ARA A ET 76 Creating a Uni Directional or Bi Directional Link oononnnnccinnnninninnnnonnnccnnncannnccnn rca nr nrrnarrn rara ranccnnn 76 Changing Al e RE ue EE 77 One Way Linkin aaa a A ae 77 Two Way EMK io ieiet airne aaea roseata pis 77 Click to Meet Conference Server User Guide Multi Conference LINKS yi scc5 E ias 77 Keep Alive Messages EE 78 Designating RE Beete 78 Clearing the Mapping Area AAA 78 Changing Layout SettingS EE 78 Creating a Conference Server Layout Template 79 Editing an Existing Template milla 79 Deleting n Existing Tem lA e 22 22 sccesbcict rea tr ee E EEEa ar TE e Ea ea ree A ae TAE E AAEE PEE ania aan 79 Applying a Template to the Layout of a Conference ooococinocccnncccnonccononcnanocnnanc cnn na nanrnnnann cnn 80 Avoiding Conference Server Layout Contflcts carr n cnn narran cnn 80 Managing User Access to Conferences ENNEN 82 ThE USES ACA aii 82 Assigning Special Permissions aiir i a aaea aae aaar aae cnn 82 Administrator Permission aa 83 Moderator Permission uti eaer ee ri it 83 Conference Manager Permiesion nano n nc nana rn 84 General User Permission ss iii A ia 84 General User Normal Pemmission aa eP A a ea a e a eA Ea raa aE ara 84 General User Admit PermiISSi ON iii A Ae 85 General User Deny Permtseion A 85 General User Admitted sender Pemtselon conca nanc crac rana rn 85 Conference
10. Template Description text box The description you enter will display in the MeetingPlanner applet and should help users make informed decisions about which templates to choose for the conferences they create Note When creating a conference template Double quotes is not an allowable character to be used when entering a template description By creating a template conference you can define the following parameters for the conferences that end users create with the MeetingPlanner applet e Conference Attributes Video Audio Chat H 323 w T 120 SIP People Content e Broadcast Mode e Maximum Participants e Reject Messages for Conference Full Authentication and Invalid Password e Conference Duration for General Users only Conference Managers can set duration e Multicast Attribute and Address Information e Maximum Send and Receive Rates e Connection Time Limits 109 Click to Meet Conference Server User Guide e Data Collaboration for CUseeMe protocol users e RADIUS Billing and Authentication e Preferred required Audio and Video Codecs e Audio Latency e Tracking Self Reflect and Root Modes e Conference Server Layout For a complete description of these parameters see Adding a Conference Note A template conference is not enabled for videoconferencing use It is used solely as a model on which to base other conferences Create an Organization Record After you have created one or more template conf
11. The Duration field defines how long a scheduled conference lasts You specify the duration in hours and minutes using the HH MM format with a maximum of 24 00 When a conference exceeds the duration time the Conference Server automatically disables it and disconnects any participants with the following message 57 Click to Meet Conference Server User Guide Conference is terminating A scheduled conference requires that you select the Limit access to scheduled time option You must also complete the Start Date Start Time Duration and Repeat Conference fields Repeat conference The Repeat Conference field indicates whether the Conference Server automatically repeats a scheduled conference daily weekly monthly If you select Never the Conference Server deletes the conference when it is over The monthly repeat option schedules a conference on the same day of a particular week in subsequent months For example if you specify September 7 2004 the first Tuesday of September as the start date of a conference with a monthly repeat option the Conference Server schedules subsequent conferences on October 5 2004 the first Tuesday of October and November 2 2004 the first Tuesday of November If you specify a day during the fifth week of a month as the start date the Conference Server schedules the conference on that day in the last week of subsequent months For example if the start date is June 30 2004 the fifth Wednesda
12. You have the following options during installation Complete Setup This option installs the drivers using the default ports for audio and video and the appropriate test tool at the default location Program Files CLICK TO MEET Stream Media Custom Setup This option gives the user the opportunity to change the ports for audio and video and to specify an alternative installation location for the appropriate test tool If you install on Windows NT the tool capture exe will be installed utilizing Video For Windows technology If installing on Windows 2000 the tool streamview exe will be installed utilizing DirectX technology Additional Information on Installing Conference Server s Streaming Drivers You need to specify the Stream Audio and Stream Video drivers as input sources in the streaming media encoder application Some encoders such as Microsoft Windows Media Encoder allow you to specify alternative input sources Other encoders may require that you change the registry settings to specify the Conference Server drivers as default input sources You need to set up the necessary streaming parameters within the encoder application Use the appropriate video image size to match the Conference Server video codec you are using in the conference To do this set the video driver format option to use either CIF 352 x 288 pixels or QCIF 176 x 144 pixels and set the color space to IYUV Conference Server s audio driver uses 8000 sam
13. different programs use different ports In addition a single program can use several different ports each for a different activity For example the Conference Server uses a combination of several TCP IP and UDP ports In an environment with a firewall you must allow connectivity on several ports for the Conference Server to function optimally Two applications cannot share the same port For this reason you cannot run the Conference Server and a client conferencing application such as CUseeMe Pro or NetMeeting on the same Windows computer at the same time The following tables describe the ports that the Conference Server uses Table 1 TCP Ports Used by Conference Server TCP Port Use TCP Port 8080 If you plan to use the Administrator Web pages from a system outside your firewall you must release the port that your third party HTTP server uses The Conference Server uses port 8080 by default but allows you to change this TCP Port 1503 This port is for client connections to the T 120 server Note For T 120 only conferences only this port must be open For T 120 only linked conferences this port must be open in addition to UDP port 7648 TCP Port 1720 This port is for H 323 call signaling TCP Port 7640 This port is for receiving Telnet configuration commands If you use Telnet to configure the Conference Server from a system outside your firewall you must release this port TCP Port 7648 This port is for CUseeMe protoc
14. e mail invitations for the videoconference In the E mail field enter the e mail address of a person to which you would like to send an invitation and click Add New MeetingPlanner adds the e mail address to the Invited Users list Repeat this step for each person you want to invite up to the maximum number of participants allowed in the conference Click Next gt to continue Note l your Conference Server administrator did not define an e mail server for outgoing messages this screen and the screen described in the following step will not display The MeetingPlanner applet will take you instead to the final screen described in Step 12 MeetingPlanner displays the default invitation message that will be sent to the e mail addresses you specified in the previous step Review the message and modify it in the text box as desired Note MeetingPlanner e mail notification is sent only ONCE even for scheduled or repeat conferences The e mail is sent at the time of conference creation Click Next gt to continue MeetingPlanner displays a screen with a list of the settings you chose for your conference Check to see that these settings are correct lf you want to change a setting click lt Back to go to the appropriate screen lf you are satisfied with the settings click Finish MeetingPlanner will create your conference Participants will not be able to enter the conference until five minutes before the scheduled start time
15. events radvision com 8080 cs h323 html 104 Click to Meet Conference Server User Guide The launch page for the H 323 VideoSwitcher applet displays in your Web browser window Click Start Applet from the launch page The H 323 VideoSwitcher applet displays ES Users List Default View View amp Listen Help Participant Maple Lab Pine Lab gt Poplar Lab gt You are watching Video Switcher Mute V Auto Update The H 323 VideoSwitcher applet is a small applet designed to take up minimal space on an end user s desktop It consists of the following elements Participant The Participant list is a selection box that displays the names of all connected participants Select a name from the Participant list and then click View or View amp Listen to override default video switching for the conference Click on the Participant header to sort the list alphabetically Default Select the Default button to return video switching to the conference setting By default Conference Server switches video based on audio amplitude but it can also be set to rotate through the video of all connected participants at a timed interval Clicking the Default button will return your video switching to what ever method was set for the conference View Select a name from the Participant list and click the View button The video in your remote window switches to the selected participant but you continue to receive m
16. 120 protocol To call into the Conference Server use the following NetMeeting callto string Callto lt server ip gt h323 false secure tru This callto string instructs NetMeeting to initiate a secure T 120 call to the server The Conference Server displays a dialog box from which you can select the T 120 conference Inviting a User into a T 120 Conference If you enable T 120 security NetMeeting requires that you use the Telnet t120 callep 36 Click to Meet Conference Server User Guide command instead of the h323 callep command to invite a user into a conference If you use the h323 callep command and NetMeeting is configured to accept only secure incoming calls NetMeeting does not terminate the H 323 call when the user hangs up Consequently the corresponding H 323 client object remains in the Conference Server who list Linking T 120 Servers The T 120 security settings must be the same all enabled or all disabled for servers that you link Make certain that you make all of the necessary configuration changes to the T 120 configuration file The User Authentication Page and T 120 When you enable T 120 security calls that you make from the User Authentication page are T 120 only calls Configuring T 120 Conferences You set up and control T 120 data conferences in the Conferences area As a Conference Server administrator you decide when you set up a conference whether to make data conferencing available to i
17. EE community com2sec me default yourname com2sec local localhost private J com2sec frynet work Ee nyteam J com2sec notConfigUser default public e Group section Maps the security names to group names le sec module EE group group1 Li me group group1 lv2c me group group1 lusm me group yRWGrp Li local group MyRWGrp lv2c local group yRWGrp lusm Focal group yROGrp Li mynetwork group MyROGrp lv2c mynetwork group yROGrp lusm nynetwork group InotConfigGrp Jany notConfigUser e View section Creates a view to let the group have rights to subtree view vers Loes view h323Mc included 0 0 8 341 1 1 4 view all included iar 80 e Access right section Gives a group access rights to a view context sec model sec level match read write notif groupl noauth exact lall MyRWGrp any noauth exact all all none 133 Click to Meet Conference Server User Guide MyROGrp any noauth exact h323Mc h323Mc none notConfig any noauth 0 sysview none none Grp Using SOAP with the Conference Server The Conference Server includes a dynamic service that provides a programming interface that uses SOAP The user can send telnet commands and choose to receive telnet events from the Conference Server using the SOAP interface The Conference Server 7 x SOAP supports WSDL 1 0 and SOAP 1 1 The HTTP port used by the Confer
18. For written permission please contact openssl core openssl org 5 Products derived from this software may not be called OpenSSL nor may OpenSSL appear in their names without prior written permission of the OpenSSL Project 6 Redistributions of any form whatsoever must retain the following acknowledgment This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit http www openssl org A THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT AS IS AND ANY EXPRESSED OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE OpenSSL PROJECT OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE This product includes cryptographic software written by Eric Young eay cryptsoft com This product includes software written by Tim Hudson tjh cryptsoft com Original SSLeay License Copyright C 1
19. H 263 annex enter the annex value If you enter more than one annex separate them with a space Table Video Codecs Available Video Codec For Use With Clients H263 QCIF CUseeMe Client H 323 SIP Quarter Common Interface Format H263 CIF CUseeMe Client H 323 SIP Common Interface Format H263 SQCIF CUseeMe Client H 323 SIP Sub Quarter Common Interface Format H261 CIF CUseeMe Client H 323 SIP Common Interface Format H261 QCIF CUseeMe Client H 323 SIP Quarter Common Interface Format H263 annex F CUseeMe Client H 323 SIP Advanced Prediction Mode H263 annex P 5 CUseeMe Client H 323 SIP Factor of 4 Resampling H 264 Level 1 to 5 1 see H 264 Level CUseeMe Client H 323 SIP description table RTVIDEO Microsoft Office Communicator Table H 264 Level description Level Max Video Bitrate kbps Max Format 64 Click to Meet Conference Server User Guide 1 64 QCIF 1 1 192 CIF 1 2 384 CIF 1 3 768 CIF 2 2 000 CIF 2 1 4 000 CIF 2 2 4 000 4CIF 3 10 000 4CIF 3 1 14 000 720p HD 3 2 20 000 720p HD 4 20 000 1080p HD 4 1 50 000 1080p HD 4 2 50 000 1080p HD 5 135 000 1080p HD 5 1 240 000 1080p HD Audio Latency This option is available only on the Add H 323 Conference page Audio latency is the delay between the time a participant speaks and the time that other clients in the confere
20. Multimedia applet Click the Devices tab To create a message in Windows 2000 Open the Control Panel from the Start Menu Open the Sounds and Multimedia applet Click the Hardware tab Double Click on the Legacy Video Capture Devices entry Click on the Properties tab Select the Stream Video driver and click the Properties button Using QuickTime Streaming on the Conference Server The use of streaming media technology in Conference Server allows the conference to be viewed by large number of viewers across the Internet To achieve this usually a streaming server is required in addition to Conference Server to manage the media distribution and client connection control Some of the popular streaming servers and media players do not support H 323 media format so a streaming media agent drivers and encoder are needed to transcoding the conference media While this transcoding allows the H 323 media available to a vast audience it does slow down the delivering speed and increases the cost of streaming by adding additional hardware usually a dedicated high end PC for transcoding This results in undesirable latency for environments that require near real time delivery For the environment that requires low latency Conference Server streaming media delivery Conference Server supports QuickTime streaming from Apple Computer QuickTime streaming allows for live delivery of H 323 media so there are no transcoding penal
21. Network page appears Click the Members The Domain Members page displays Select the Conference Server that you want to shut down 4 Click the Stop button A dialog displays to Confirm Server Stop e Click No if you want to shut down the Conference Server for a moment and then let it restart automatically Note For the Conference Server to restart automatically you must have to start in with the cs continuous command for UNIX or with the service application in Automatic mode for Windows e Click Yes if you want to shut down the Conference Server and not allow it to restart automatically e Click Cancel if you want to back out of the shut down operation and leave the Conference Server running When you shut down the Conference Server its status changes to Stopped on the Domain Members page Working with Firewalls Firewall devices protect your organization s network If your organization is behind a firewall you must release several of the ports the firewall controls in order to allow clients outside the firewall to participate in conferences 21 Click to Meet Conference Server User Guide A port refers to a specific location within a computer s TCP IP stack Programs that communicate over the same network use different port numbers to keep the data that they are sending separate Think of a participant s IP address as an airport and the ports as gate numbers in the airport Just as different airlines use different gates
22. O 2000 2004 The Legion Of The Bouncy Castle hitp www bouncycasile org This product includes code licensed from RSA Security Inc This product includes software developed by the OpenSSL Project for use in the OpenSSL Toolkit http www openssl org This package is an SSL implementation written by Eric Young eay cryptsoft com This product includes Agere Codec software technology from Lucent Technologies Inc Copyright O 1995 2001 Lucent Technologies Inc Contains iLBC codec from Global IP Sound Inc htip www globalipsound com Copyright 1999 2006 Global IP Sound Inc ACE TAO and CIAO are copyrighted by Douglas C Schmidt and his research group at Washingion University University of California Irvine and Vanderbilt University Copyright c 1993 2003 all rights reserved Portions Copyright 1996 by the University of Southern California Portions Copyright 2000 Alexandria Software Consulting Portions Copyright 1995 2003 Jean loup Gailly and Mark Adler Portions Patent 1990 2002 DSP Group Inc Portions Patent 1990 2002 SIPRO LAB TELECOM INC Portions Patent 1990 2002 NEC Corporation Portions Patent 1990 2002 Nokia Corporation Portions Patent 1990 2002 Nortel Corporation Portions Copyright 1998 2006 The OpenSSL Project All rights reserved Portions Copyright 1995 1998 Eric Young eayOcryptsoft com All rights reserved Copyright 1999 2006 RADVISION Lid All Rights Reserved
23. Publication Date October 2006 Product Version 7 6 000 Rev 01 Click to Meet Conference Server User Guide Table of Contents PROPRIETARY INFORMATION cios 2 Fable EE e aan honed aches des eg tee eege 3 Before You BGG EE 10 What is the Click to Meet Conference Gerver 10 Product Component iodo ot 10 EI ele ee EES 11 Aboutthe T1 20 Stadard ica od 12 Abo t the H 323 Standard EE 13 The H 323 Standard Gatekeeper Functional 13 Getting Started The Conference Server Administrator Web Pages 15 The Help SYStem geeiert dice erties va dawnt dae ede aie hie eee dl antes een eed 16 Bee Ref Ee EE 16 The Log Display WindOW isis lado 16 TMG INGIW OTK ia iaa a Ale Mase ine ai AAA ia ie A e 17 Working with Conference Server Domain Members 17 Adding a Conference Server to the Conference Server Domain 17 Configuration Settings iii daa 17 Gatekeeper Settings ii a ee steers 18 Optional Gatekeeper terminal aliases for Conference Gerver 18 H329 Doma NQMC oia aid eel 19 Conference Server E 164 Address Prefix 19 ENEE 19 Use the Conference Server Gaiekeepner A 20 Ignore discovery requests from the following IP ranges AN 20 Conference Server Endpoint Identifier Suffix ooonnocinnnnnnidicnccnnnconncccnncccnorcnarcnnrcnnnccnnnns 20 Use a Third Party Gatekeeper AAA 20 Removing a Conference Server from the Domain 21 Shutting Down the Conference Gerver occcinccinoncnnncccconccnnonnnnnn nn carr cnn cnn 21 Working with Firewalls sausesnes
24. Server begins timing the interval When the interval surpasses the limit the T 120 connection terminates When a connection drops due to throughput enforcement the server s event console or log file displays the following message client T 120 session closed due to insufficient bandwidth The interval for connections to superior in the linking topology Conference Servers must always be greater than the interval for connections to terminals This encourages throughput enforcement at the lowest possible level in the connection hierarchy while still disturbing as few nodes as possible The following rules determine the throughput enforcement interval in various topologies e The throughput enforcement interval for a connection between a Conference Server and a terminal is always the value of the minThroughputinterval parameter in the configuration file If the parameter is absent from the configuration file a default interval of 15 seconds is assumed e The throughput enforcement interval for a connection between a subordinate and a superior Conference Server is always the value of the minSuperiorThroughputinterval parameter in the configuration file If the parameter is absent from the configuration file throughput enforcement is disabled 35 Click to Meet Conference Server User Guide Throughput enforcement only occurs in a downward flow from a superior Conference Server to a subordinate one It never occurs in the opposite d
25. Server s User Authentication Web Page cccococccoccccccccccconananancccnnncnnnnnnnns 87 Accessing Conference Server s User Authentication Web Page oooococccinccccocccconccnonncnnnccnanccnnncnnnnnnnna 88 Customizing the User Authentication Web Page A 90 WSer auth CNUCALOM seras marapa a hear ce Medea decease ll lalala ata 90 ele td Belt e 91 The Monitoring Are asnicar detec lala titan 91 Using the Monitoring Area as an Administrator 91 Using and Accessing the Monitoring Area as a Moderator 91 Monitoring EE 92 DISCONNECUND US da 94 Doa TET A EPE E E E 95 Granting the FlOOr to aus da 95 Revoking the Floor from a User oococonicccoconicccnnoncccnonnocnnnnnrncnnnnnr nene 96 Setting clearing Video Sources ccocoicoii aid 97 Monitoring Dynamic Statistics for a Conference 97 Monitoring Dynamic Statistics for a Conference Server cnniiccccccccnnocnnonoccnanccnnnnnnn nn nnnnncnnnncn 98 Monitoring Gatekeeper Activity oooonooccccnoccccconoonnccanononcnnnnnnnncnnonnnnnnnnnnnn canon nn cnnn rn nrrnnnrnnrnnnnnn 98 Doing More with Conference Server ENNEN 101 eut EE 101 Using Conference Server s Continuous Presence Mode applet 102 Using Conference Server s H 323 VideoSwitcher Applet ooooococincccnnnccconcccconcccconnnanananano conan 104 Using Conference Server s CallOut applet conan rn 106 Using Conference Server s MeetingPlanner Applet cnn 108 Create a Template Conference 109 Click to Meet Conference Server User Guide Create an Organ
26. The Conference Server layout applet has two primary sections a toolbar and a mapping area The mapping area provides a place where you can graphically represent or map out your Conference Server layout You can also apply a template to the layout Working with the Conference Server Layout Applet The Conference Server layout defines the server or servers that host a conference and how data flows between them The Conference Server lets you create templates that define the layouts You can use these templates to save you the work of redefining the connections For example you may frequently set up small interactive videoconferences between your corporate office and two remote offices If you have a Conference Server at each location you can specify the links between the three servers save it as a template and use it each time you set up a conference of the same type You can access the Conference Server layout applet from the Network area and from the Conferences area From the Network area you use the applet to create and save layout templates From the Conferences area you use it to apply a layout to a conference When you add or edit a conference in the Conferences area you can select a template or define a new customized layout The applet has two main sections the mapping area and the toolbar The Mapping Area The mapping area provides a place where you can graphically represent or map out the Conference Server layout From wi
27. URL http 111 222 33 4 scripts radvision pub UserAuthen tication class showLogin CHECKED confID 25459 The URL connects users to User Authentication Web page where they can submit an authentication form for the conference Note The Meeting Planner sends email invitations only once even for scheduled or repeat conferences The MeetingPlanner sends the email invitation when you create the conference For more information on the MeetingPlanner applet see Using the MeetingPlanner Applet Synchronizing Conference Server Domain Members The Conference Servers in your domain can fall out of sync with the administrative server and Conference Administrator database Most often this happens when you make changes to the conference configuration or user database files for your domain while a domain member is not running When the domain member restarts it restarts with the configuration and user access information it had at the time it stopped It has no access to the changes that you made during the time it was not running If you synchronize servers while conferences are running all clients connected to the server s become disconnected To synchronize members of your domain with the administrative server 1 Click Network on the Conference Server entry page You can also click the Network icon in the navigation bar The Network page displays Click Synchronize The Synchronize Members page displays Choose the server you wan
28. User Guide Denying a User Conference Server maintains a deny list for your Conference Server domain and for individual conferences in that domain The Deny User button on the Monitor Users page allows you to place a user on a deny list while the user is participating in a conference To deny a user if you are logged in as a Moderator skip to Step 2 ae Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays Select the conference you want to monitor from the conference selection box on the Monitoring page and click Monitor Users The Monitor Users page displays Select the appropriate participant from the selection box on the Monitor Users page and click Deny User An applet window will display titled Confirm User Deny Click This if you want to deny the user only for the conference to which the user is currently connected Click All if you want to deny the user for all conferences in your Conference Server domain A second applet window will appear titled Disconnect Deny Message Enter a message of 255 characters or less in this window and click OK Conference Server will send the participant the specified message and disconnect the participant from the conference In addition Conference Server will add the participant s IP address to the appropriate deny list and will not allow the participant to reconnect If you do no
29. a template conference from the Available Templates selection box Conferences that you previously created with this template display in this box 6 Click Select The template conference you selected moves from Available Templates to the Selected Templates box Repeat this step until all the templates that you want to assign to the organization display in the Selected Templates box If you change your mind you can click lt lt Deselect to move it back 7 Click OK The Conference Server creates the organization record and displays it on the Organizations page Editing an Organization Record in the Conference Administrator database To edit an existing organization record 1 From the Organizations page select the organization record you want to edit 2 Click Edit The Edit Organizations page displays 3 Edit the record and click OK The Conference Server edits the organization record and returns to the Organizations page You can click Cancel to return to the Organizations page without editing the record Removing an Organization Record from the Conference Administrator database To remove an existing organization record 1 From the Organizations page select the organization you want to remove 2 Click Remove Selected The Conference Server confirms that you want to remove the organization Removing the organization record also removes the user records 07 Click to Meet Conference Server User Guide associated with that organ
30. admitted sender takes questions from the audience the observers but does not want the observers to interact with each other You can further enhance this mode by assigning Moderator status to the presenter in the Conference Server user database 5A Click to Meet Conference Server User Guide Choosing the Broadcast mode produces different results than disabling the video audio and chat attributes When you disable the video audio and chat attributes participants display in the Participants List as lurkers This does not eliminate the traffic associated with the Participants List Maximum Participants You can enter the maximum number of participants you want to allow in the conference For better performance in interactive conferences RADVISION recommends breaking down conferences to 10 participants or less This is because each participant receives some traffic for every other participant in the conference For participants connecting in low bandwidth environments this overhead can become significant Once the conference reaches the maximum number of participants the Conference Server refuses subsequent users that try to connect CUseeMe protocol users additionally receive a refusal message that you enter in the text field labeled Message The refusal message is limited to 255 characters You may want to direct CUseeMe protocol users to connect to an alternate Conference Server This conference is full Try connecting to Confe
31. browser 51 Click to Meet Conference Server Basic Settings User Guide You can choose the following basic settings Setting Description Conference ID Enter the conference ID that you want to use Conference name Enter the name of the conference Private Select this option to hide the conference Clear this option to display the conference when users first log in Conference greeting Enter a greeting to display to participants when they first join the conference Conference attributes Video Audio Chat H 323 w T 120 and SIP Select the attributes for this conference You can choose e Video e Audio e H 323 with T 120 displays on the Add H 323 Conference page only e SIP e People amp Content displays on the Add H 323 Conference page only Broadcast mode Select the type of conference broadcast you want You can choose e Normal e Broadcast e Allow audience to interact with sender Maximum participants Enter the maximum number of participants for the conference Message Enter the message that you want to display to people who try to connect after the conference reaches the maximum number of participants Conference ID Conference ID is a number used to identify a conference lt display with the Conference Name Enter a number between 0 and 65 525 Each conference must have a unique ID The Conference Server displays an error if
32. by the CA but the CA may issue more than one certificate with the same DN to the same entity The T 120 Configuration File The T 120 configuration file is a simple text file containing T 120 server wide configuration information You can edit this file with a text editor The format of the configuration file is similar to that of the Windows INI file A configuration entry is defined as a name value pair The name value pairs are in turn grouped into sections Any line which begins with a or character is treated as a comment The following shows the general format of the T 120 configuration file 33 Click to Meet Conference Server User Guide lt section gt lt name gt lt value gt e Windows Registry under HKEY_LOCAL_MACHINE SOFTWARE Click to Meet Conference Server 7 x x T120 e On UNIX the environment variable T120_CONFIG_FILE is used instead If the registry key or the environment variable is not set the T 120 stack assumes that the configuration file is named T120 cfg and can be found in the current working directory of confsrv exe process By default the configuration file is T120 cfg and is located in usr local ctm confsrv e On Windows the install directory is usually Program Files Click to Meet Conference Server 7 x x e On Unix it is typically usr local ctm confsrv The following code is an example of a typical T 120 configuration file on Windows NCNodeAttributes ManagementDevice 0
33. computer with IP address 100 1 1 1 and domain name conference radvision com you could enter either of the following URLs http 100 1 1 1 8080 cs cs html http conference radvision com 8080 cs html The Conference Server login applet appears in your browser window prompting you for a username and password Note For Windows there is a shortcut to this URL if you log in to Conference Server s Conference Administrator Web pages from the same computer on which they are installed Select Login to Conference Server from the RADVISION gt Conference Server Programs group on the Start menu Conference Server will launch your browser and bring you directly to the Conference Server login page 2 Inthe Username field enter your Moderator username as defined in Conference Server s Conference Administrator database 3 Inthe Password field enter your Moderator password as defined in Conference Server s Conference Administrator database 4 Select Moderator from the pull down menu labeled Permission Click OK Conference Server will link you to the Monitoring page The Monitoring page displays a selection box with a list of conferences to which you have been assigned the Moderator permission 6 Select the conference you want to moderate from the selection box and click Monitor Users The Monitor Users page displays for the conference you selected Note l you have been assigned Moderator permission for All Conferences you can cho
34. conference on servers outside your domain If you attempt to do this Conference Server will return an error Disconnecting a User The Disconnect User button on the Monitor Users page allows you to temporarily disconnect a user from an active conference To disconnect a user if you are logged in as a Moderator skip to Step 2 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays 2 Select the conference you want to monitor from the conference selection box on the Monitoring page and click Monitor Users The Monitor Users page displays 3 Select the appropriate participant from the selection box on the Monitor Users page and click Disconnect User An applet window will appear titled Confirm User Disconnect 4 Click Disconnect A second window will appear titled Disconnect Deny Message 5 Enter a message of 255 characters or less and click OK Conference Server will send the participant the specified message and disconnect the participant from the conference The user can reconnect after one minute If you do not specify a message in the Disconnect Deny Message window Conference Server will send the following default message Your connection is being terminated Note H 323 participants will be disconnected from the conference but will not receive the disconnect message 94 Click to Meet Conference Server
35. end user while leaving ultimate control over network resources in the hands of the administrator The MeetingPlanner applet is designed as a tool to help service providers roll out large scale videoconferencing services without the need to hire human operators to configure conferences for customers It can also be used by other organizations that would like to give certain users the ability to create conferences on their own without giving them access to Conference Server s more powerful Conference Administrator Web pages A busy system administrator may set up one or more Conference Servers on the company LAN configure template conferences for his users and allow the users to schedule their own conferences Note The MeetingPlanner applet can be used to create only single server conferences It cannot be used to create linked conferences There are several steps you must take as an administrator before an end user can use the MeetingPlanner applet These are iE Create a template conference 2 Create an Organization and assign it a template conference 3 Create a user record and assign it to an organization 108 Click to Meet Conference Server User Guide 4 Define your e mail server The following sections explain these steps in more detail Create a Template Conference The first step you must take to enable an end user to create conferences with Conference Server s MeetingPlanner applet is to create a template c
36. f you link an H 323 conference between multiple servers you must designate one T 120 server as top provider for the conference The top provider creates the T 120 conference and then invites linked servers to create their T 120 conferences You designate a T 120 server as top provider for the conference when you define the Conference Server layout For more information see Working with the Conference Server Layout Applet e f you link a videoconference with a matching T 120 conference between multiple servers you must create a bi directional link so that information flows in both directions between the servers lf you create a uni directional link audio and video flow in one direction 37 Click to Meet Conference Server User Guide between servers and the T 120 portion of the conference does not link e The T 120 portion of a conference does not adhere to observer observer broadcast rules This means that users can send T 120 data even if they are not admitted senders for the conference Enabling T 120 for non H 323 conferences To enable data conferencing for a non H 323 videoconference select the Enable Data Collaboration Server option when you add or edit the conference in the Conferences area Note e Only CuseeMe protocol users can connect to a non H 323 videoconference However other T 120 capable clients can connect to the associated T 120 data conference This enables you to create a data only conference for T 120 c
37. interact with sender settings in the conference configuration e Disabling the Video Audio and Chat attributes in the conference configuration Each of these options has different applications For more information on this see Conference Attributes and Broadcast Mode Revoking the Floor from a User Revoke Floor is the complementary action to Grant Floor The Revoke Floor button on the Monitor Users page is used to revoke temporary admitted sender status from selected participants in an active conference To revoke the floor from a user if you are logged in as a Moderator skip to Step 2 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays 2 Select the conference you want to monitor from the conference selection box on the Monitoring page and click Monitor Users The Monitor Users page displays 3 Select the appropriate participant from the participants selection box on the Monitor Users page and click Revoke Floor The participant s video audio and or chat can no longer be seen by observers in the conference Note In order for Revoke Floor or Grant Floor to work the conference must be configured so that participants cannot send audio video or chat unless they have admitted sender status You can achieve this for a conference in three different ways They are e Enabling the Broadcast setting in the conference
38. is specified in number of lines By default Conference Server sets this field to O zero A zero value prevents Conference Server from creating a stats log file To enable Conference Server to create a stats log file enter a positive integer greater than 0 zero in the Max number of lines field A suggested line limit is 10000 lines DIER Click to Meet Conference Server User Guide Note lf you want Conference Server to create a stats log file but do not want to base backups on the number of lines in the file enter 1 in Max number of lines field This instructs Conference Server to create a stats log file but to backup the file at the interval specified in the Backup every field Backup interval The Backup every field specifies at what interval in days Conference Server will backup the stats log file Once a backup is created Conference Server clears the original log file of all data and begins writing new data to it If you enter a positive integer greater than 0 zero in the Backup every field Conference Server will perform a backup whenever the Conference Server re starts and repeatedly at the interval specified If you enter O zero in the Backup every field Conference Server will use the Max number of lines field to determine when backups are done Note Backup stats files are never purged They are left in the product installation directory or in the directory specified in the Log file name field for the administrator t
39. local gatekeeper It creates an alias for each of its H 323 conferences and provides those aliases to the gatekeeper When an H 323 client that use RAS messaging tries to join a conference it submits an admission request that includes this alias to the gatekeeper For more information on how endpoints specify aliases for H 323 conferences see H 323 Selecting a Conference Through a Gatekeeper You can set the following optional parameters when you select the Use Conference Server Gatekeeper option Ignore discovery requests from the following IP ranges This option instructs the Conference Server gatekeeper to ignore discovery request messages from certain IP addresses or subnets When an endpoint such as an H 323 client wants to locate a gatekeeper it sends out a discovery request to a multicast address Gatekeepers listen to this multicast address for discovery requests When a gatekeeper receives a request it automatically sends back a confirmation message This provides the endpoint with the information it needs to connect to the gatekeeper The Conference Server gatekeeper ignores discovery requests from any IP address or range of IP addresses that you specify This is useful if for example your organization has multiple subnets and you are setting up a Conference Server for just one of them You can specify each of the subnets you want Conference Server to ignore You must list one IP range per line For more information on s
40. nan cn conri crnnrrnrnrnn 43 Participating in CONTSrenCeS iiioisironoiiirrce diario leer madre 45 Selecting a Conference 45 Selecting a Conference Through a Gatekeener cn non cn nan cc ran nnnan cnn narran 45 A323 1D Terminal Alla iia aaa 45 E 164 Ren UE 46 Selecting a Conference Through the T 120 Based Gernver occoncccnncccnnccccccnconccnnncccannncnnnnnancn ran nnancnnnn 46 Selecting a Conference Through the User Authentication Web Page 46 Selecting a Conference Through Default Conference Routing cccoocccconocccconocccnononcnonononcnnonancnnnnnnnos 47 Selecting a Conference Through the CallOut Applet A 47 Click to Meet Conference Server User Guide Entering a Conference Password 47 e ut DE 48 AlWays Gnabled iniisip ceveee cece bite tetas 48 Always disabled 2 2 cs cccasse ccdeadsteceeecee ch biceee ASS pee andaa hanedan eE Ea a Edad aTa Eao aaae Ka enea 48 Limit access t scheduled Me a a eat aA 48 Creating and Configuring Contierences 49 The Gonterences Area lt 2 aaa lore aaa loas 49 Viewing Available Conterences cnn cnn cnn rca rra 49 eieiei eu 51 Se ne EE 52 Conference Dl e ete 52 A ends od cbse eden ieee enna Jd sides EEN ER EEEE ERENER a atin 52 Conference N men en ies A ese AA Se 53 Conference Greeting i203 hentai dE eid Aina co 53 Conference ALIN DUES E a E 53 Video default e ET 53 Audio default OD ereescht ada tt tiie 53 Ghat defaults Oui ie 53 H 323 W T 1 20 detaullt limi dada 53 O A e 54 People AN
41. of the Conference Administrator Web pages The administrative server is designated on the Add Domain Member page by a check box labeled This Conference Server contains the master conference list During the installation process you determine which Conference Server will serve as administrative server to the Conference Server you are installing see Installing your Conference Server To change the administrative server for your domain 1 Select the current administrative server from the domain member selection box on the Conference Server Domain Members page and click the Edit button The Edit Domain Member page displays 2 Clear the check box labeled This Conference Server contains the master conference list Scroll to the bottom of the page and click Submit A confirmation page displays 3 Click the Members button to return to the Conference Server Domain Members page Select the server you want as your new administrative server from the Conference Server selection box and click Edit The Edit Domain Member page displays 4 Select the check box labeled This Conference Server contains the master conference list Scroll to the bottom of the page and click Submit A confirmation page displays There may be times when you want to remove a Conference Server from one Conference Server domain and assign it to another To remove a Conference Server from one domain and assign it to another 1 Log in with your browser to the Conference A
42. participate in the link For example you can create a conference on CS A CS Conference Server with a uni directional link from CS A to CS B If CS B is not in the same domain as CS A a complimentary conference must be set up on CS B This complimentary conference also must specify the uni directional link from CS A to CS B To define a server layout for your conference 1 Click the Conference Server Tool in the layout applet toolbar 2 Click once anywhere in the mapping area The Add a CS CS Conference Server window displays 3 From the drop down list choose a Conference Server in the domain You can also click More to choose a Conference Server from another domain If the Conference Server that you want to use for your template does not display in 74 Click to Meet Conference Server User Guide the drop down list click Other The Add a New CS window displays 4 Enter the host name or IP address of the Conference Server that you want to add for your template Click OK The new Conference Server name displays as the selected option in the drop down menu of the first dialog box 5 Click OK An icon representing the Conference Server you chose displays in the mapping area You can add additional Conference Servers to the layout or to the template Each time you add a server to the layout or to the template an additional Conference Server icon displays in the mapping area You can double click any Conference Server icon
43. providing the content source This would allow the admitted sender to override Broadcast mode for the conference Admitted Sender will also override any single attribute audio video chat or combination of attributes that has been disabled for a conference This permission requires that you specify the user s IP address in the user record You can dynamically assign the Admitted Sender permission from within the Monitoring area of the Conference Server interface You do this by granting the floor to selected participants in a conference Note Users assigned the Admitted Sender permission must be granted admit status separately if they need access to a restricted conference Admit permission allows the user 85 Click to Meet Conference Server User Guide access to a restricted conference that uses Conference Server IP based authentication 86 Click to Meet Conference Server User Guide Conference Server s User Authentication Web Page Conference Server provides an optional User Authentication Web page that provides control of client access to your Conference Server It is designed to facilitate conference billing authentication and the routing of H 323 clients Note If you are trying to launch NetMeeting from the User Authentication page and you are located behind a NAT please contact your system administrator The User Authentication Web page does the following Provides a method to authenticate users by usern
44. resides as the suffix for the H 323 ID terminal alias it creates However certain gatekeepers require that terminal aliases use a domain name suffix instead If you enter a domain name the Conference Server uses it as the suffix for the H 323 ID terminal aliases If you have multiple servers using the same H 323 gatekeeper in a domain and you want them to use domain names rather than host names you must specify a unique domain name for each server Note Synchronizing the servers in the same domain changes the H 323 terminal alias back to the default alias syntax This incorporates the host name of the computer as the suffix Conference Server E 164 Address Prefix This is an optional field You can enter a numeric prefix for the Conference Server to use when it creates E 164 terminal aliases for its H 323 conferences The Conference Server adds this prefix to the Conference ID padded to five digits If you do not assign a prefix the Conference Server uses the last two octets of the IP address of the system on which it is installed No Gatekeeper This is the default selection if you chose None default as the Conference Server gatekeeper setting 19 Click to Meet Conference Server User Guide Use the Conference Server Gatekeeper When you select the Use Conference Server s Gatekeeper option the Conference Server uses its own integrated gatekeeper for H 323 conferences The Conference Server registers as an endpoint with its
45. s integrated H 323 gatekeeper This monitoring function is not available when Conference Server is registered as an endpoint with a third party gatekeeper e Conference Server registers as a single endpoint with the gatekeeper and at the same time registers both an H323 ID and an E164 terminal alias for each of its H 323 enabled conferences lf you remove Conference Server from the list of registered endpoints you remove registration of all its associated conference terminal aliases e Conferencing clients that do not use RAS Registration Admission and Status messaging protocol will not appear as registered participants on the Monitor Gatekeeper page These clients do not register with an H 323 gatekeeper 100 Click to Meet Conference Server User Guide Doing More with Conference Server The following sections provide information on enhancing Conference Server performance and operations Administrative Server The administrative server maintains the master conference configuration file cs cfg for your Conference Server domain Conference Server s Conference Administrator Web pages use this file as a point of reference for all conference configuration information For example the Conference list that displays on the top level Conferences page is obtained from the administrative server s configuration file This same file is used to synchronize the configuration files of your Conference Server domain members in the Network area
46. separate user records for each conference For example to assign Moderator permission to User A for Conferences 2 and 4 you must add two user records for User A The first user record assigns Moderator permission for Conference 2 The second user record assigns Moderator permission for Conference 4 If you try to submit a user record that has the same Username and Conference as an existing record the Conference Server considers it a duplicate You must change the record or cancel the submission The Add User Record page contains the following user identifier fields User Identifier Fields Username For user records assigned the Administrator Moderator or Conference Manager permission Username is also required when admitting users to conferences that use Username Password authentication Username accepts a maximum of 32 characters Password For user records assigned the Administrator Moderator or Conference Manager permission lt is also required when admitting users to conferences that use Username Password authentication Password accepts a maximum of 15 characters This field is required Last Name For identifying users in the user database Last Name accepts a maximum of 35 characters This field is optional First Name For identifying users in the user database First Name accepts a maximum of 35 characters This field is optional Email Address For user records assigned the Conference Manager permission Em
47. server 42 Click to Meet Conference Server User Guide Setting Conference Specific Limits You can control bandwidth by limiting the number of conferences on your network the number of participants in each conference and the maximum send and receive rates for each conference Before setting up a conference make a rough estimate of the available bandwidth and the anticipated patterns of use You set conference specific limits in the Conferences area You can change the limits you set at any time Setting Server Wide Limits You can also set bandwidth and load control limits on a server wide basis If you set server wide settings that are more restrictive than corresponding conference settings the server wide settings prevail In this way you preserve the concerns of your network over those of an individual conference You can set server wide limits in the Network area when you add or edit a Conference Server to the domain For more information see Bandwidth Controls Setting up Multiple Server Conferences You can dramatically increase bandwidth savings by using multiple Conference Servers to distribute the communications load over a wide area network WAN or the Internet Figure A and Figure B illustrate examples of local replication of conferences Both figures show a videoconference with four participants one located at the corporate office and three located in a remote office For the sake of simplicity in these examples
48. server applications to communicate over a stream oriented transport in a way that prevents eavesdropping tampering or message forgery The protocol also allows optional identity authentication of peers to protect against identity spoofing and unauthorized access TLS uses a combination of symmetric key and asymmetric key cryptography Asymmetric key cryptography authenticates and negotiates the symmetric keys used for encryption and message authenticity In theory TLS allows total anonymity neither client nor server verifies the other s identity In practice the client for instance the Web browser usually verifies the server identity Digital Certificate The primary TLS authentication mechanism is the digital certificate a form of electronic documentation that verifies the identities of parties engaged in online transactions Digital certificate technology is based on the standards in Recommendation X 509 of the International Telecommunication Union Telecommunication Standardization Sector the ITU T First an entity requests a certificate from a Certificate Authority CA The CA then decides using its published criteria whether to issue the certificate to the entity If the entity satisfies the CA criteria the CA issues the certificate and digitally signs and approves it The certificate binds the entity and the entity s public key to a name called the unique distinguished name or DN The DN must be unique for each entity certified
49. similar configuration for the other Conference Server In our example the other server registers with a different gatekeeper using the H 323 domain name of Zone2 com 4 Create a conference using the Administrative GUI s Conferences page The Conference Nickname in the Conference Aliases section is conf00002 Zone1 com The H 323 domain name of the conference is appended to the conference nickname You can change the default conference nickname but it is not necessary in this example 5 Define the server layout for the conference In this example both servers are added to the conference layout It is not necessary to link the servers as this creates a intelligent link instead of simple cascading The actual cascading is initiated later Any server in the layout of a conference also creates that conference For example the second server creates a conference with a nickname of conf000020Zone2 com 6 To cascade the conferences use the CallOut Applet to invite conference 2 from the server at Zone2 into conference 2 in Zone1 The servers now send each other mixed audio and switched video They also take advantage of QOS on the the network and gatekeeper Both servers display as endpoints or participants in the other s conference on the Monitor Users page What if there are two servers registered to the same gatekeeper The previous example worked because the gatekeepers managed different zones If the servers are registere
50. the Conference Server automatically routes the client to the specific conference For more information on the User Authentication Web page see User Authentication Web page Selecting a Conference Through Default Conference Routing When you configure a conference the Conference Server automatically enables the H 323 attribute If your Conference Server does not use a gatekeeper it automatically routes H 323 clients that use RAS messaging into the first H 323 enabled conference available on your server Clients that connect using the T 120 protocol such as Microsoft NetMeeting 2 1 clients override the default routing by connecting automatically to the T 120 server and then choosing a conference Other H 323 clients override the default routing by choosing a conference from the User Authentication Web page Selecting a Conference Through the CallOut Applet The Conference Server includes a Java applet that lets users request callouts or invitations for potential conference participants The CallOut applet installs with the Conference Administrator Web pages Users have access to it through the Web browser The Conference Server automatically routes a user that receives a callout into the conference For more information see Using the CallOut Applet Entering a Conference Password As an optional security feature the Conference Server lets you apply a password to the conferences you create A user who tries to connect to a password prot
51. the template in the mapping area where you can view ts details and edit its configuration 5 Click the Apply button in the layout applet toolbar The Save this conference applet window displays 6 Click Apply this layout and save the conference 7 Click OK Avoiding Conference Server Layout Conflicts The Conference Server requires that all conferences linked between two servers share the same link type and bandwidth For example you use the Uni Directional Tool in the Conference Server layout applet to connect CS A and CS B for Conference 1 CS Conference Server You then decide to link Conference 3 between the same two servers Since you have already established a uni directional link from CS A to CS B for Conference 1 you must use a uni directional link for Conference 3 However if you choose to link Conference 3 between CS A and a different server say CS C you can choose a different link type and or bandwidth The layout applet provides information to help you avoid creating conflicting links between servers To view this data click the Conference Server Tool in the layout applet toolbar Click once anywhere in the mapping area The Add a CS CS Conference Server applet window displays Select a Conference Server from the drop down menu and click More The Message applet window displays The window contains a text box with information describing the links for each conference on the server that you selected Uni directional
52. this line to add the initialization parameters for the service For example to use 10082 as the HTTP port for the Conference Server SOAP the configuration command is dynamic LS_SOAP Service_Object UscsSoap _make_UscsSoapEntry p 10082 If you no longer need a service add the leading comment sign to the configuration command dynamic LS_SNMP Service_Object UscsSnmp _make_UscsSnmpEntry SNMP Support Click to Meet Conference Server supports Simple Network Management Protocol SNMP The Conference Server implements the H323MC MIB protocol as defined by H 341 Annex A For information on how to configure the SNMP dynamic service see Configuring Dynamic Services The SNMP agent supports both MIDI and H323MC MIB For more information see the Conference Server release notes at hitp support clicktomeet com Follow the link to support Configuring the SNMP Agent from a Windows System By default the Conference Server installation wizard installs the SNMP agent snmps 7 x x SNMP is a Windows service so you can configured it to start manually or automatically On Windows the agent configuration file snmps conf is located in the same directory as the SNMP agent You can find the path from the Windows registry string ImagePath at HKEY_LOCAL_MACHINE SYSTEM CurrentControlSet Services snmps 7 x x The default is the same directory as the Conference Server On Linux Solaris it is located at lt Insta
53. to change the server or delete it from the layout or the template Click More in the Add a CS applet window to display information about the links for each conference on the server you selected Linking Data Streams You can define how data streams flow between Conference Servers You can create a uni directional one way or bi directional two way link between any two Conference Servers These links are unicast connections unless you specify a multicast connection For more information see Unicast and Multicast Multicast Linking To extend a multicast connection over the Internet you must use a network such as the MBONE Multicast Backbone The MBONE is a multicast network layered on top of the Internet To choose multicast linking between the servers hosting your conference 1 Click the Multicast Tool in the layout applet toolbar Click once in the mapping area The Add a Multicast IP applet window displays Enter the multicast group address that you want to add for use in your template This address must be between 224 0 0 1 and 239 255 255 255 Enter appropriate values for Port number and TTL time to live Click OK An icon representing a multicast group address displays in the mapping area Double click any multicast icon to change the multicast address or parameters You can also double click to delete it Port Numbers The port number parameter is the channel or gateway by which data streams to and from the multi
54. to the Domain 5 Click Submit The Conference Server applies your edits and displays a confirmation page 6 To get back to the Conference Server Domain Members page click Members 25 Click to Meet Conference Server User Guide Working with the Conference Administrator database The following sections provide information on managing the Conference Administrator Database The database enables you to manage conference information and users Defining Your Conference Administrator Database The Conference Administrator database contains user authentication information for the Conference Server domain This includes information on e End user access to conferences e End user access to the MeetingPlanner applet e Administrator and moderator access to the Conference Administrator Web pages The database lists the member servers in the domain and indicates which of them acts as the administrative server The database also includes information on which servers host which conferences The Conference Administrator database installs as part of a Conference Server full installation It also installs with a Conference Administrator installation see the Conference Server Installation and Upgrade Guide Although you can install the Conference Administrator on multiple computers only a single Conference Administrator database can serve in a domain All instances of the Conference Administrator Web pages as well as every Conference Server in a
55. use a static port number for call connection but also use dynamic port selection Consult your firewall documentation or contact your firewall vendor to find out whether your firewall supports H 323 traffic Enabling E Mail When you set up the Conference Server you must define an SMTP Simple Mail Transfer Protocol server SMTP relay enables users to send email invitations for the conferences they create in the MeetingPlanner applet To define the SMTP server 1 Click the Network icon on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network 23 Click to Meet Conference Server User Guide page displays 2 Click E mail The Define E mail Server page displays 3 Inthe IP Address field enter the location of the third party outgoing SMTP server Enter the server IP address in standard dot notation 4 Inthe Port field enter the port number that the outgoing SMTP server uses The default is 25 For more information refer to the product documentation 5 Click Submit A message displays confirming that the Conference Server saved your settings When the MeetingPlanner applet sends out email invitations for a videoconference participants receive an email message similar to the following Subject Video conference invitation You have been invited to the Monthly Sales Meeting videoconference Start Date November 21 2004 Start Time 3 00 PM Conference ID 25459
56. version of this User Guide from the Web site to ensure that you have the most up to date information What is the Click to Meet Conference Server The Click to Meet Conference Server is a multipoint conferencing unit It delivers multimedia group conferences across IP based networks It allows participants using a variety of videoconferencing clients to work learn and socialize in a multipoint conferencing environment It also e Allows groups of users with networked personal computers or conferencing systems to interact in real time sharing any combination of audio video text and data e Enables administrators to control the use of multimedia communications on their network offering bandwidth control and optimization security conference administration and monitoring services e Offers multipoint conferencing services to H 323 standards based clients thus allowing participants using a variety of videoconferencing clients to work learn and socialize in a mulitpoint conferencing environment e Offers easy integration into existing network environments It runs on Microsoft Windows 2000 Server Windows Server 2003 and Red Hat Linux platforms and can be accessed from most computer platforms through a Web browser e intelligently manages the amount of bandwidth required for group interaction takes full advantage of IP Multicast technology and facilitates billing and tracking with third party systems e Can
57. 664 and select the movie file called sample mov in the movie folder you can use the following URL in your QuickTime player rtsp 10 1 1 100 sample mov After successfully playing the sample movie continue to the next step 4 Prepare the streaming server for live streaming The QuickTime media player delivers live streaming is by connecting to a streaming server using Session Description Protocol SDP SDP is intended for describing multimedia sessions for the purposes of session announcement session invitation and other forms of multimedia session initiation You need to create an SDP file for your streaming session Creating an SDP file To enable the Streaming Server to do live streaming a Session Description Protocol SDP file needs to be created A summary of the commonly used SDP descriptions is listed below optional items are indicated by an 771 Vv protocol version o owner creator and session identifier 127 Click to Meet Conference Server User Guide s session name i session information u URL of description e e mail address p phone number c connection information not required if included in all media b bandwidth information z time zone adjustments k encryption key at zero or more session attribute lines t time the session is active t zero or more repeat times m media name and transport address For example a session is set up with a Conference Se
58. 8 interfacing with third party billing systems 120 International Telecommunication Union ITU AE EN dE A Ed 13 39 Internet Engineering Task Force IETF 56 Local Area Network AN 37 43 log display window 16 log file backup Imtenal 119 log file line limit oooo ooonnnncnnnnnnicononaccccnnnn 119 log file MAIMG sne T 119 log terval aeaea dieere niiet anrr enian 119 ele Belg le 16 Sita 54 managing bandwidth A 42 Managing organizations oooconnccccnnicicccnnnns 27 manual bandwidth controls sseeeeseeeeeeeee 42 setting conference specific limits 42 setting server wide limits 42 maximum DartcIDanfs 55 MeetingPlanner applet 56 moderator permission eeeeeeeeeeeeenen 83 monitoring are 91 monitoring dynamic statistics for a conference E 97 monitoring dynamic statistics for a Conference Oli ls lentas 98 monitoring gatekeeper activity 98 MONItOriNQ USETS ccooooccccconocincnanancncnanancnnnananos 92 multicaSti ic cds 43 66 68 Multicast Backbone MPBONE 74 multiCast tool 73 multiple server Contlerences 43 Multipoint Control Unit MCL 13 Click to Meet Conference Server NetMeeting A 47 optional advanced settings AN 55 p r OUIMDEN sanini iaie E 74 preferred required codecs cooococcccccnncccccaccnncos 63 yE E ENEA A EE S ee ahs ah by 52 product Components c oocccccococccccononccccanancncnnnos 10 Conference Administrator Web Pages 10 Conference
59. 995 1998 Eric Young eayOcryptsoft com All rights reserved This package is an SSL implementation written by Eric Young eay cryptsoft com The implementation was written so as to conform with Netscapes SSL This library is free for commercial and non commercial use as long as the following conditions are aheared to The following conditions apply to all code found in this distribution be it the RC4 RSA hash DES etc code not just the SSL code The SSL documentation included with this distribution is covered by the same copyright terms except that the holder is Tim Hudson tjh cryptsoft com Copyright remains Eric Young s and as such any Copyright notices in the code are not to be removed If this package is used in a product Eric Young should be given attribution as the author of the parts of the library used This can be in the form of a textual message at program startup or in documentation online or textual provided with the package Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the copyright 142 Click to Meet Conference Server User Guide notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following discl
60. A EE G B E AE E A AS A PE AU AE GE AA EE SAURU RH BRASH RR AA AAR E EE AN F AE B DEAS EE eRe Configfile streamingserver cfg EEEE EEEE EEEE E ARETE EE EE EET EAA Ee AE EEE EE EEEE EE MovieFolder specify the nawe of the movie folder in a config file see ConfigFile ji For Heb press F1 NUR A Note For the latest version of the Web SDP application if you do not have the streaming server installed on your system you can still use this tool to create an SDP file The default location for the created SDP file will be at the same conf directory instead of the movie_folder of the streaming server Using the SDP Page To access the SDP page e Type in the following URL into your Web browser http lt ip_of_streaming_server gt lt port gt csqt sdp Note Tomcat must be running on the system of streaming server For example if the IP address of the Streaming Server is 10 1 1 100 and the default port 8080 is used after typing in the URL and loading the page the login page will display e Enter csqt as the user name and changeme as the password Then click OK to bring you to the SDP Session File Creation Page e The main page of the SDP file lists the templates that the file template xml contains It also gives a short description of each template session so you can choose a session that best suits your needs e Follow the link to enter and confirm the data for that session This will display data input page e Read the instruct
61. ACO da 54 Broadcast Me do 54 Normal coito cia de 54 Broadcast ia a ia ii altas 54 EK Turin le EC 55 Optional AdVanCed Settings tira 55 Template Conference sisi sieschi estate tii orita da 56 Conference Owner Information cccccccccocccnnccnnononocnnnnnncnononononnnnnnnnnnnonnnnnnnnnnnnonnnnnnnnnnnononnnnnnnnninnnnns 56 Conference OWAS na ts e e o ei eo EOIN e a o EA 56 E mail e el 56 Phone NUMbDe Roc A tii 56 Conference URL a Ad db aiii 57 IR le le 57 Conference Password 57 Scheduling iio cia ANE eR el ee AEN 57 Start Date imac a Lite beeches hie 57 tart Hl 57 DU a e ee ete eae 57 Repeat conferences viciado dak 58 Bandwidth Controls ic t sii Si ee 58 Maximum Send Rate ates elds elie evi die bein eed taa 58 Maximum Receive Rate cio 58 Time Lila eat too ratio ibi All ot ti e dd Me ate the 58 Ee re EE 59 Required GOES ui todo eli 59 Time lO iii ai a 62 Disconnect participants afteken a ea E EE E EE 62 Click to Meet Conference Server User Guide Time limitdisconnecttMe id 62 Restrict Participant MeSSage i cutis il tdt 62 Data Collaboration for Non H 323 Conferences cccccsccecsesseceseeceeeeeeaeeeeseaeeceseneeeesssaeeesscneeeessnneess 62 User AuthentiGatlon EE 62 Conference Server Authentication s nnnnennennnnnnneenneennnnenenennnnrnnssrnnrnrnnnnnrerrnnnnnnernnnnnnsnrennnnnnnne 62 IP Based Aptlentcatgn odds eseu 62 Username Password Authentication oooococccccnnnicccccccnccoconononncnn
62. Authentication Web page facilitates user authentication billing and the routing of H 323 clients It installs with the Conference Administrator Web pages Conference Server MeetingPlanner The MeetingPlanner is a Java applet that allows end users to create and schedule conferences on their own It installs with the Conference Administrator Web pages H 323 VideoSwitcher Applet The H 323 VideoSwitcher Applet is a Java applet that allows H 323 end users to choose which participant to watch and listen to in an H 323 conference It installs with the Conference Administrator Web pages Continuous Presence Mode Applet The Continuous Presence Mode applet is a Java applet that allows a conference moderator or Conference Server administrator to control how video displays in each cell of an H 323 continuous presence video window It installs with the Conference Administrator Web pages but only works if you have the license option H 323 CallOut Applet The CallOut applet is a Java applet that enables users to make callouts or invitations to potential conference participants It installs with the Conference Administrator Web pages Conference Server User Tools The Conference Server User Tools is a Windows based desktop installer that you can provide to your end users It provides shortcuts from the Windows Start menu for easy access to the User Authentication Web page the MeetingPlanner the H323 Video Switcher Applet the Continuous Presenc
63. Conference page None The default selection under User Authentication When None is selected the conference does not require authentication Users can connect freely to the conference limited only by the settings you have specified in your conference configuration Conference Server authentication RADIUS authentication Admit Reject Message If a CUseeMe protocol user is denied access to a conference because of failed authentication Conference Server will send that user a refusal message You can specify what message Conference Server will send by filling in the Admit Reject Message text field under User Authentication on the Add Conference page For example a company offering videoconferencing services for a fee might use the message to direct users to a Web page where they can enroll for the fee based services Conference Server limits the Admit Reject Message to 255 characters Note A user that has been denied will not be able to connect regardless of which user authentication method has been selected for the conference see Assigning special permissions 90 Click to Meet Conference Server User Guide Monitoring Conferences The following sections provide information on monitoring conferences using Conference Server features The Monitoring Area Conference Server allows you to access real time information concerning activity on your Conference Server From the Monitoring area of Conference Server s browser based in
64. ION strongly recommends that you change the username and password in the user database as soon as possible For more information see Editing User Records 4 Inthe Permission field select Administrator and click OK The Conference Server main entry page displays Selecting Administrator in the drop down box gives you full administrative access to the Conference Server For information on accessing the Conference Server as a Moderator see Accessing the Monitoring Area as a Moderator The main entry page for the Conference Server links to five main areas e Network e Conferences e Users e Monitoring e Help To access any of these five areas click the appropriate button at the bottom of the Conference Server main entry page Once you are past the main entry page the navigation icons for each of the major areas display in a column on the left side of the browser window 15 Click to Meet Conference Server User Guide These navigation icons display throughout the Conference Server interface To go back to the main entry page click the Conference Server icon at the top of the column of navigation icons The main entry page also has a Log Out button The Help System You can click the Help icon from anywhere within Conference Administrator Web pages A second browser window opens which displays the Conference Server Help system This allows you to have both the Help system and the Conference Administrator Web pages open at the same t
65. LISUCS oia R RS 137 working with firewalls 2 21 working with the conference administrator A a daeebaries 26 working with the Conference Administrator Web pag Sanr aa id 15 working with the Conference Server layout Ee 73 zone Management eee 13
66. Peripheral 0 NodeName Click to Meet Conference Server 7 3 0 12 yallara SiteInformation RADVISION T120 Conference Center MCSDomain minThroughputInterval 15 minSuperiorThroughputInterval 0 Transport Security 0 CNP UseHeader 0 Enabling the T 120 Security Feature You can configure the security feature manually through the T 120 configuration file The Security parameter is in the Transport section of the file The UseHeader parameter is in the CNP Connection Negotiation Protocol section of the file To configure T 120 security 1 Shut down or stop the Conference Server 2 With a text editor open the T120 cfg file in the Conference Server install directory 3 Find the Security parameter in the Transport section of the file To enable the security feature enter 1 To disable it enter 0 If the Security parameter is absent from the T 120 configuration file the security feature is disabled The configuration below enables the security feature Transport Security 1 34 Click to Meet Conference Server User Guide 4 Find the UseHeader parameter in the CNP Connection Negotiation Protocol section of the file To enable the CNP header enter 1 To disable it enter 0 If the CNP parameter is absent from the T 120 configuration file the CNP header is used Although the T 123 Annex B standard requires the use of the CNP header this parameter must always be set to 0 or disabled in order to use NetMeet
67. S server uses for accounting billing purposes An Accounting Start packet is sent when a user connects to your Conference Server and an Accounting Stop packet is sent when the client disconnects Note A single RADIUS server is configured to serve your domain of Conference Servers However you can specify on a per conference basis whether or not you want RADIUS billing and or authentication enabled See Defining your RADIUS server and User authentication Session Data During conference configuration you can choose to have Conference Server forward end user session data to your third party billing authentication system Session data is specific information about each end user videoconferencing session It consists of the following e Conference ID e Client IP address Username e Password e Start Time e Elapsed Time e Stop Time e Stop Reason Total bytes sent T 120 bytes sent Your third party billing system will need this session data if you intend to charge customers for metered videoconferencing services However it may not be necessary to forward this information if you charge customers a flat fee for videoconferencing services and want only to authenticate users through your third party system Conference Server creates a series of files at startup to capture client session data in the event of disruptions of service These files create a snapshot of the state of your Conference Server When you enable billing Conferenc
68. Server User Tools 10 Continuous Presence Mode applet 10 H 323 CallOut applet eneen 10 H 323 VideoSwitcher applet 10 MeetingPlanner seeen 10 TADO egener 10 User Authentication Web Page 10 product OPTIONS 0 eee eee a as 11 Additional audio 10 Continuous Presence Mode 10 Reggae o ee 10 E An eege EES 10 Streaming mecha 10 ut EE 10 providing Conference Server User Tools to Client end USES c oooooccccnnnoccconnnonccinananccnnn 119 Q 931 facility messages oooooocoiccconinicnnacncannns 45 QuickTime Streaming occoiccninnnnncnnncnnccinn 125 RADIUS accounting port 122 RADIUS autbentication 63 90 RADIUS server 122 RADIUS server IP address 122 RADIUS server port 122 receiving video and audio 39 Registration Admission Status RAS 13 47 Remote Authenication Dialing Service RADIUS cc 120 removing a Conference eseese 71 removing a Conference Server 21 removing user recordS cooooccccconociccnananinnnnnnnos 31 repeat Conference 58 User Guide revoking the floor from a User 96 POE td 68 Scheduling riea ai aeir 48 sdf file extension oooooocnconinococccononncccccancnnno 120 SDP file COM eo aen E tt careecthanciebiteats 127 searching user recordS c oooocococccccccccccnnanononnnos 30 selecting a Conference 45 10101100 A 73 self reflect oe eec cece cecceceeeeceeeeeeeeeeeteeeeeeeeeeeeeees 68 setting video source 83 shutting down a Confere
69. TP server for port information 5 Click Submit 26 Click to Meet Conference Server User Guide Managing Organizations in the Conference Administrator Database The Conference Server uses organizations to manage groups and the users that belong to them The administrator adds organization records in the Conference Administrator database and assigns pre configured templates to those organizations The administrator then assigns user records to the organizations Through the MeetingPlanner applet which the administrator also assigns permission to use users create conferences based on the templates assigned to their organizations The Organizations page displays a list of all organization records that are currently available in the Conference Administrator database A single default organization listing displays when you access the page for the first time From the Organizations page you can add edit and remove organization records Adding an Organization Record to the Conference Administrator database To add a new organization record 1 Click the Users icon on the Conference Server entry page You can also click the Users icon in the main navigation bar The User Menu page displays Click the Organizations button The Organizations page displays Click Add New The Add Organizations page displays In the Organization Name field enter a name for the new organization This field accepts a maximum of 50 characters 5 Select
70. The MeetingPlanner Java applet loads 2 Enter your username and password in the MeetingPlanner login screen Click Login Note Your Conference Server administrator can provide you with a username and password for the MeetingPlanner applet 3 Enter a name for your conference in the Conference Name field You can also add an optional text message in the Conference Greeting field This message will display to CUseeMe protocol users when they first connect to the conference H 323 client users will not see this message The Conference Greeting is limited to 918 characters Click Next to continue 4 Select a template for your conference from the Template pull down menu Your Conference Server administrator creates templates in advance and assigns them to your organization You may see only a single or several template choices in this list Each template includes a description so that users can distinguish its characteristics When you select a template in the MeetingPlanner applet this description displays in the Template description text box Note You can use the MeetingPlanner to create single server conferences only You cannot use it to create linked conferences Click Next to continue 112 Click to Meet Conference Server User Guide 5 Select a security option for your conference You can choose from e This conference is open to everyone The Conference Server does not authenticate users for this conference It will be op
71. ail Address is a return address for email invitations sent out through the MeetingPlanner applet Email Address accepts a 29 Click to Meet Conference Server User Guide maximum of 50 characters This field is required IP Address For user records assigned the Admit Deny or Admitted Sender permission under General User IP Address accepts a maximum of 15 characters You can specify an IP address for an individual user or for multiple participants in the same IP subnet This field is required Note The user identifier fields do not accept the following characters double quote single quote back slash 1 forward slash semi colon asterisk question mark and percent sign Additionally the Username and Password fields do not accept spaces Searching User Records in the Conference Administrator Database The Search button on the User Menu page links you to the Search User Database page Once you populate the Conference Administrator database with user records it is good practice to search the database before adding a new record You can sometimes edit an existing user record rather than adding a new one By avoiding redundant user records you can minimize the size of the user database The Search User Database page contains the same user identifier fields as the Add User Record page except for the Password field You can search on any single field or any com
72. aimer in the documentation and or other materials provided with the distribution 3 All advertising materials mentioning features or use of this software must display the following acknowledgement This product includes cryptographic software written by Eric Young eayOcryptsoft com The word cryptographic can be left out if the rouines from the library being used are not cryptographic related 4 If you include any Windows specific code or a derivative thereof from the apps directory application code you must include an acknowledgement This product includes software written by Tim Hudson tjh cryptsoft com THIS SOFTWARE IS PROVIDED BY ERIC YOUNG AS IS AND ANY EXPRESS OR IMPLIED WARRANTIES INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT INDIRECT INCIDENTAL SPECIAL EXEMPLARY OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES LOSS OF USE DATA OR PROFITS OR BUSINESS INTERRUPTION HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY WHETHER IN CONTRACT STRICT LIABILITY OR TORT INCLUDING NEGLIGENCE OR OTHERWISE ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE The licence and distribution terms for any publically available
73. alias for each of its conferences Client endpoints specify these Conference Server conference aliases as a means of connecting to a specific Conference Server conference Client endpoints also each register their own terminal alias as identification to the gatekeeper when they connect Alias Type Indicates what type of terminal alias the endpoint has provided as identification to the gatekeeper The alias type can be any of the following E164 Sequence of characters 0123456789 up to 128 bytes in length H 320 clients use E164 terminal aliases H3231D Sequence of any alphanumeric symbol up to 128 bytes in length H 323 clients generally use H 323 terminal aliases URL Sequence of any alphanumeric symbol up to 512 bytes in length in the form of a Web site URL E MAIL Sequence of any alphanumeric symbol up to 512 bytes in length in the form of an e mail address XPort A transport address in the format of an IP address and port value PartyNo Sequence of characters 01234567689 up to 128 bytes in length containing a 99 Click to Meet Conference Server User Guide PartyNumber prefix To remove an endpoint from the gatekeeper s list of registered endpoints select the check box next to the endpoint you want to remove and click Remove Selected Click Remove All to the clear the gatekeeper of registered endpoints Note e Conference Server provides this information only if you are using Conference Server
74. ame and password Authentication can be performed by the Conference Server user database or by a third party billing authentication system The method used is determined by the User Authentication selection you make when you create a Conference Server conference Without the User Authentication Web page Conference Server can only authenticate users by IP address This is because CUseeMe protocol and other client conferencing applications currently have no way of passing a username and password to Conference Server directly Authentication by IP address however presents a problem for users with dynamic IP addressing Such a user receives a different IP address each time s he connects to the Internet This IP address is taken from a pool of IP addresses assigned to the user s service provider A username and password provide a static means of identifying and authenticating a user even when that user s IP address changes Provides a method for H 323 clients to select a specific conference from among multiple conferences on your Conference Server None The User Authentication Web page is one of several methods that Conference Server provides to route H 323 clients to specified conferences on your server You can instruct H 323 client users to connect to this page with a Web browser before connecting to your Conference Server with an H 323 client application An H 323 client user needs to fill out the form found on this page specifying the ID n
75. anii aE AA a E AOA 21 Enabling UE 23 Synchronizing Conference Server Domain Members 24 Editing Conference Server Settings oooonnccinnnnnincccnoncnnnocnnncncnonc cnn narran cnn rca rana 25 Working with the Conference Administrator database 26 Defining Your Conference Administrator Database cccccceeeceeeeeeeeeeeeeeeeseeeeeaeeeeeeseaeeeeeeseeeeeaees 26 Managing Organizations in the Conference Administrator Database 27 Adding an Organization Record to the Conference Administrator database ss sssseeeseeeeeee 27 Editing an Organization Record in the Conference Administrator database ssssesseeeeeeeeeeeeea 27 Removing an Organization Record from the Conference Administrator database 01102211 27 Initializing the Conference Administrator Database AA 28 Backing up the Conference Administrator Database A 28 3 Click to Meet Conference Server User Guide Adding User Records to the Conference Administrator Database ooonooccconiccccncooccnnononcncnanannnnnnnoos 28 User Identifier Fieldsin et issn ti a lt dell ret ate 29 Searching User Records in the Conference Administrator Database neee 30 Editing User Records in the Conference Administrator Database eu 30 Copying User Records in the Conference Administrator Database neee 31 Removing User Records from the Conference Administrator Database ssenesseneerereeeeneeeee n 31 Conference Server T 120 Features NEEN 32 Data Conferencing with the Co
76. apable H 323 client users or T 120 only users if you choose e The T 120 portion of a conference does not adhere to observer observer broadcast rules This means that users can send T 120 data even if they are not admitted senders for the conference 38 Click to Meet Conference Server User Guide H 323 and the Conference Server Hosting H 323 Conferences As videoconferencing becomes more common interoperability becomes increasingly important With users from around the globe communicating with hardware and software from a variety of manufacturers industry standards are required to ensure interoperability The Conference Server is a standards based solution that provides multipoint conferencing services to H 323 standards based clients These clients include CU Web CuseeMe Pro and the Click to Meet Conference Client The H 323 standard serves as the umbrella for a suite of recommendations defined by the International Telecommunication Union ITU The H 323 standard defines videoconferencing over packet switched generally IP based networks such as local area networks LANs and the Internet It covers both point to point and multipoint audio and video conferencing In addition the ITU defined the T 120 standard to address the document sharing data conferencing portion of multimedia conferences The Click to Meet Conference Server is a standards based solution By connecting to a Conference Server point to point videoconferenc
77. arted The Conference Server Administrator Web Pages Once you start the Conference Server you can manage all configuration management and monitoring through the Conference Administrator Web pages To access Conference Server through your Web browser 1 Open your browser and enter the following URL personalized with the IP address or domain name of the computer on which you installed the Conference Administrator Web pages http lt yourserver gt 8080 cs cs html Note that lt yourserver gt is the IP address or the host name of the computer on which the Conference Administrator Web pages are located For example if you installed the Conference Administrator Web pages on a computer with IP address 100 1 1 1 and domain name conference radvision com you could enter either of the following URLs http 100 1 1 1 8080 cs cs html http conference radvision com 8080 cs cs html The Conference Server login page displays and prompts you for a username and password Note From a Windows computer you can get to the login page directly by selecting Conference Server Login from the Conference Server group on the Windows Start menu 2 In the Username field enter Administrator Be sure to use a capital A for the Administrator username 3 In the Password field enter changeme Be sure to use all lowercase letters for the password The Conference Server installs with this default username and password To avoid unauthorized access RADVIS
78. as an e mail address and World Wide Web address e Maximum data transmission rates e Information about upcoming events Conference Attributes You can turn media attributes for your conference on and off individually To enable or disable any conference attribute select or clear it under Conference Attributes You can choose the following media options Video default on When you select the Video option the Conference Server distributes video data between conference participants If you clear the video option the Conference Server discards any video that clients send to the conference Connected clients then display in the Participant List as lurkers A lurker is a client that does not send video Audio default on When you select the Audio option the Conference Server distributes audio data between conference participants If you clear the audio option the Conference Server discards audio that clients send to the conference Chat default on This option is available only on the Add CUSM Conference page When you select the Chat option the Conference Server distributes chat data between CUseeMe protocol participants in your conference If you clear this option the Conference Server discards chat that clients send to the conference H 323 w T 120 default off This option is available only on the Add H 323 Conference page When you select the H 323 w T 120 option the Conference Server allows H 323 clients to
79. at room on extreme sports needs a different setup than a rock concert cybercast From the Conferences area you can e Add new conferences e Edit the existing conferences e Copy existing conference configurations and modify them to create new conferences e Create conference templates to use with the MeetingPlanner applet e Remove existing conferences You can define basic settings such as conference name conference ID conference greeting maximum participants and conference attributes You can choose more advanced options such as multicasting conference scheduling and interfacing with third party billing systems Viewing Available Conferences The top level page of the Conferences area displays a list of conferences for the domain The Conference Server lists each conference in a selection box with its name ID number attributes and number of connected users It also displays an icon bar that links to configuration tasks you can perform To choose a conference click the selection box Click the icons in the task bar to e Edit Edit the selected conference configuration e Copy Copy the selected configuration in order to create a new conference with the same or similar settings e Remove Remove the selected conference from the domain If you decide to create a new conference with new settings click the Add icon in the task bar When you click the Add icon the Conference Server lets you configure a new conference
80. ate in the videoconference portion of an H 323 conference However they cannot exchange T 120 data with H 323 clients in the conference For the most up to date information about which endpoints are compatible with the Conference Server see the RADVISION Click to Meet Web site http www clicktomeet com To create a new conference 1 Click the Conferences icon on the Conference Server entry page You can also click the Conferences button in the main navigation bar The Conferences page displays Click Add H 323 Add CUSM or Add SIP Enter the conference settings that you want The Add H 323 Conference page the Add CUseeMe Conference page and the Add SIP Conference page are essentially the same with the exception of a few settings Each lets you define the parameters for the conference and is divided into basic and optional advanced settings 4 Click Next at the bottom of the Basic Settings or Optional Advanced Settings area The Define Conference Server Layout page displays 5 Inthe Conference Server layout applet define the server to host the conference For specific instructions on using the applet see Defining a Server Layout for Your Conference 6 Click Apply in the layout applet toolbar An applet window displays prompting you to save the conference 7 Click OK The Conference Server displays a confirmation page If you want to cancel the conference creation click the Cancel button rather than the Back button in the
81. ation see 40 Click to Meet Conference Server User Guide Using the Continuous Presence Mode Applet Time based Switching You can use the Telnet set vswitch mode and set vswitch interval commands to do video switching by interval rather than by audio For more information see the Conference Server Telnet Guide 41 Click to Meet Conference Server User Guide Managing Bandwidth with the Conference Server The Conference Server incorporates considerable intelligence about the nature of real time rich media communication It uses this built in intelligence to route multimedia data streams in the most network friendly way As a Conference Server administrator you can also impose manual limits to further control bandwidth use on your network The Conference Server helps you to manage bandwidth with e Automatic bandwidth controls e Manual bandwidth controls e Multiple server conferences Automatic Bandwidth Controls The Conference Server automatically optimizes the use of bandwidth on your network with automatic bandwidth detection and automatic bandwidth pruning Automatic Bandwidth Detection Based on network load the Conference Server makes adjustments on the fly to individual user transmissions If packet loss starts to reach unacceptable levels because of heavy network traffic the Conference Server scales back the user transmission rates until network congestion is relieved Automatic Bandwidth Pruning The Con
82. ation and customized billing modules The abstraction layer specifies the type and format of data that Conference Server sends for billing authentication purposes The billing modules provide the communication interface between Conference Server and third party billing authentication systems Vendor specific billing modules can be written and plugged in to the Conference Server abstraction layer Currently Conference Server provides a billing and authentication module for servers that use the RADIUS Remote Authentication Dial In Service protocol Several different vendors provide RADIUS billing and authentication servers Conference Server s RADIUS billing module includes a RADIUS client application The RADIUS client communicates with your RADIUS server by sending authentication and accounting requests Authentication request packets contain the username and password that a user enters through Conference Server s User Authentication Web page and a shared secret that identifies Conference Server s RADIUS client to the RADIUS server The RADIUS server receives the request verifies the user in its users file and sends an 120 Click to Meet Conference Server User Guide acceptance packet back to Conference Server s RADIUS client Conference Server then issues a one time admit privilege to the user s client for the specified conference Accounting request packets contain user connection statistics also called session data that your RADIU
83. be purchased with add on options that provide advanced functionality such as H 323 continuous presence conferences and integration with streaming media technologies Product Components The Conference Server is made up of multiple software components that work together to provide a comprehensive solution for multimedia group conferences over IP networks Before installing the software it is helpful to understand what the major product components are and how they work together Videoconferencing Server The videoconferencing server provides the core technology for the Conference Server product It routes audio video and CUseeMe protocol chat streams It provides bandwidth control security conference configuration user authentication monitoring and H 323 gatekeeper functionality T 120 Server The T 120 server works in conjunction with the videoconferencing server to add document and application sharing to conferences for clients that support the T 120 10 Click to Meet Conference Server User Guide standard It installs automatically with the videoconferencing server Conference Administrator Web Pages The Conference Administrator Web pages provide a browser based interface for conference administration and users Conference Administrator Database The Conference Administrator database keeps user authentication information It installs with the Conference Administrator Web pages User Authentication Web Page The User
84. ber list automatically every 2 minutes Otherwise you have to click the refresh button on your browser to see changes to the list Configuration Settings 247s Click to Meet Conference Server User Guide You can choose the following Conference Server configuration settings Conference Server identifiers Enter the name and IP address of the Conference Server you are adding to the domain e The name does not have to be a formal host name for the system It can be a nickname for the system or any combination of up to 50 characters e The Conference Server checks for legal IP addresses A legal IP address is a four byte quantity written in standard dot notation for example 123 45 67 89 Maximum simultaneous participants allowed Enter the maximum number of participants that can connect simultaneously to the Conference Server Port range to facilitate H 323 data transversal Enter the range of port values for transferring H 323 data Bandwidth limits per conference Enter the maximum send and receive rates for each participant Master conference list Select this option to let this Conference Server host the master conference list Historical statistics settings Enter parameters for how to log statistics for the Conference Server you are adding Gatekeeper settings Choose whether the Conference Server will use an H 323 gatekeeper either its own or a third party gatekeeper
85. bination of fields For example a search on the last name Smith returns a list of all the user records with that last name A search on the last name Smith and Conference 3 returns a list of all users with the last name Smith that have a user record for Conference 3 The more fields you enter as search criteria the more narrow the search becomes By default the General User User Type Organization and Conference selections on the Search User Database page are empty Unless you specifically select one of them these fields are not part of your search criteria The Conference menu also has Unassigned and All Conferences search options When you select Unassigned as part of your criteria the Conference Server searches for records that are not associated with any conference When you select All Conferences it searches for records that are associated with all conferences in the domain To search the database enter the search criteria in the appropriate field s and click Search The Select User Record page displays with the results of the search For example you can enter search criteria of First Name Barbara and Last Name Smith If Barbara Smith is an admitted sender in Conference 0 and a Moderator in Conferences 2 and 5 three user records display in the search results From the Select User Record page you can also edit copy or remove a user record Note The Conference Server can dis
86. but a few examples of how Conference Server s statistical data can be used There are many more The purpose of the stats log file is to provide the raw data that you can in turn use for your own analysis Simple Cascading Simple cascading enables the Conference Server to send media between several servers Each server in the simple cascading configuration acts as an endpoint Using unicast the media flow s appropriately between multiple servers in mixed audio and switched video streams Cascading is beneficial because e Cascading servers increase the number of participants a conference can accommodate The number users in a conference can be greater than the total number licensed users for any one Conference Server With cascading the conference maximum is the total of licensed user on all cascaded Conference Servers combined e Simple H 323 cascading reduces bandwidth between the servers by having each server mix audio locally and send the mixed stream to the other servers This allows the local 138 Click to Meet Conference Server User Guide servers on each LAN segment to minimize the WAN communication e Cascaded servers can take advantage of Quality of Service QOS on the Cisco MCM gatekeeper This allows you to guarantee QOS for a distributed conference e When video is enabled only one video stream is sent between cascaded servers This minimizes server traffic Do not set up simple cascading if e You cannot use
87. cast group address When you use multicast to link Conference Servers you must choose an even valued port number between 32768 and 49150 You must specify the same port number for all participating Conference Servers The Conference Server uses the port you specify to send connection information It automatically opens a second port 16K less than the port specified to send RTP audio It also automatically opens a third port also 16K larger than the port specified to send RTP video Note If you have two or more nodes in a multicast conference use the same multicast address and port number for all nodes Do not use port number 40406 as this causes problems with multicast conferences 75 Click to Meet Conference Server User Guide Time to Live Value The TTL value controls the number of routers or hops that an IP multicast packet is allowed to traverse Each time a router forwards a packet the TTL value decrements When the TTL of a multicast packet expires decrements to 0 the Conference Server no longer forwards it This prevents the Conference Server from needlessly forwarding multicast packets to regions outside the subnets of intended participants The following table gives recommended TTL values for a variety of distances Table Distance and Recommended TTL Values Distance TTL Subnet Site i 5 The TTL value cannot be greater than 255 or less than 1 Unless the TTL value is greater tha
88. ch page displays in your Web browser window When you access this launch page the MeetingPlanner Java applet automatically loads and displays a login screen In order to use the MeetingPlanner applet your Conference Server administrator must create a user record for you in the Conference Administrator database The administrator must assign you either Conference Manager or General User permission see Assigning special permissions Once you enter your username and password the MeetingPlanner applet presents a different set of screens depending on whether you login as a conference manager or general user Note e You need to keep the MeetingPlanner launch page active while using the MeetingPlanner Java applet You can minimize the browser window if you choose e f you exit the applet but keep the MeetingPlanner launch page active in your browser window you can restart the applet by clicking Restart on the launch page Using MeetingPlanner with General User permission As a user assigned General User status for an organization you can create temporary conferences on the fly with the MeetingPlanner applet Temporary conferences are available immediately after you create them and are removed automatically and immediately after completion Your Conference Server administrator specifies in the conference template how long a conference can last To create a conference 1 Access the MeetingPlanner Web page see Accessing MeetingPlanner
89. chema targetNamespace http www clicktomeet com server schema xmlns xsd2 http www clicktomeet com server schema xmlns http www w3 org 2000 10 XMLSchema gt lt element name strVector gt lt complexType gt lt sequence gt lt element type string gt lt sequence gt lt complexType gt lt element gt lt complexType name intVector gt lt sequence gt lt ol gt lt element type integer nullable true gt lt fall gt lt sequence gt lt complexType gt lt complexType name ArrayOfInt base soap Array gt lt sequence gt lt element name x type xsd integer maxOccurs unbounded gt lt sequence gt lt complexType gt lt element name GetErrorMsg gt lt complexType gt 136 Click to Meet Conference Server User Guide Salio lt element name errorMsg type string gt lt all gt lt complexType gt lt element gt lt element name ints type xsd2 ArrayOfInt nullable true gt lt schema gt lt types gt lt definitions gt Working with Conference Server s Historical Statistics You can choose to have Conference Server log statistical information concerning activity on your Conference Server to a file called optionally cs stats The information Conference Server logs to this file can be used for network capacity planning cost analysis and more Conference Server formats cs stats as a comma delimited file that you can import into a standar
90. cify a conference nickname or a user defined alias 65 Click to Meet Conference Server User Guide Conference Nicknames When you create a nickname for an H 323 conference the Conference Server uses the nickname as the prefix for the H323 ID terminal alias it creates for the conference The Conference Server registers an H323 ID alias and an E 164 alias with the gatekeeper for each of its conferences Users reference the H323 ID alias when they connect their H 323 clients to the Conference Server through the gatekeeper If you do not assign a conference nickname the Conference Server uses confXXXXX as the default prefix for the H323 ID alias where XXXXX is the conference number padded to 5 digits leading with zeroes For example the default for conference 2 would be conf00002 See H 323 Selecting a conference through a gatekeeper for more information To specify a conference nickname enter a string of 10 characters or less in the Conference Nickname field under Gatekeeper User Defined Aliases When you create a user defined alias for an H 323 conference the Conference Server use the nickname as the alias for the H323 ID terminal alias it creates for the conference To specify a user defined conference alias 1 Inthe Conference Aliases section click Add under the User Defined heading A window displays prompting you to Enter new gatekeeper alias Enter the new gatekeeper alias Select the preferred alias type Y
91. communication flows in only one direction Figure A Single server conference over Wide Area Network Corporate Office ege WAN In Figure A the conference uses a single Conference Server located at the corporate office Three copies of the corporate office data go out over the unicast WAN one copy for each recipient at the remote office In Figure B each office has a local Conference Server The participants connect locally and the Conference Servers communicate with each other across the unicast WAN A single data stream of the corporate office data goes out over the WAN The Conference Server then replicates the data stream to each recipient on the remote office local area network LAN This saves considerable bandwidth on costly WAN links Figure B Local replication with multiple Conference Servers 43 Click to Meet Conference Server User Guide Corporate Office Remote Ofice A Distributing Conference Servers in this way lets you take advantage of the multicasting abilities of your LAN without requiring a multicast WAN or Internet infrastructure as illustrated in Figure C Figure C Local replication with LAN multicast Corporate Office Remote Office A A oe ae gt When you add or edit a conference in the Conferences area you determine the servers on which it runs For more information see Adding a Conference 44 Click to Meet Conference Server User Guide Participating in Conferences S
92. conference CuseeMe protocol participants 50 Click to Meet Conference Server User Guide Code Description X Multicast Broadcast Enables multicast Y Audio Mixing Allows mixing of several audio streams SP Enabled Enables a conference for a SIP client e Tr 120 Encryption Enables T 120 encryption transport security Pies Content Enables dual video streams to see both people and data content Encryption Indicates that a Click to Meet conference is encrypted ATATA Adding a Conference When you create a conference you must first define its attributes Secondly you must choose the Conference Server to host the conference Finally if you choose to link the conference you set up the linking configuration between servers The conference that you finally create displays in the conference selection box on the Conferences page The Conference Server lets you choose H 323 conferences CUseeMe protocol only conferences and SIP conferences The type of conference you choose depends on the type of clients that want to connect to it A number of videoconference clients on the market today are H 323 compliant CUseeMe protocol clients that released prior to CUseeMe Pro V4 0 are not H 323 compliant Generally RADVISION does not recommend using them in CUseeMe protocol only conferences CUseeMe Pro V3 1 x clients on both the Windows and Macintosh platforms while not strictly H 323 compliant can particip
93. configuration e Enabling the Broadcast and Allow audience to interact with sender settings in the 96 Click to Meet Conference Server User Guide conference configuration e Disabling the Video Audio and Chat attributes in the conference configuration Each of these options has different applications For more information on this see Conference Attributes and Broadcast Mode Setting clearing Video Sources Conference Server allows you to set and clear the video sources for your Conference Server domain and for individual conferences in that domain The Set Video Source and Clear Video Source buttons on the Monitor Users page allow you to either set a selected user as the video source for a conference or clear the video sources for a user while the user is participating in a conference To set a video source 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays 2 Select the conference you want to monitor from the conference selection box on the Monitoring page and click Monitor Users The Monitor Users page displays 3 Select the appropriate participant from the selection box on the Monitor Users page and click Set Video Source An applet window will display titled Confirm User Set Video Source 4 Click OK if you want to set the selected user as the video source for the conference Click Cancel if you want to aban
94. d Optional Advanced Settings 4 If you do not want to edit the layout click Finish The Conference Server displays a confirmation that it copied the conference If you want to edit the server layout click Next The Conference Server layout defines which servers are hosting the conference and the links that exist between them if any For more information see Defining a Server Layout for Your Conference Enter the changes you want to make to the layout Click Apply The Conference Server prompts you to save the conference and the layout You can 1 Apply this server layout and save the conference 2 Save this conference with the original layout 7 Click OK The Conference Server displays a confirmation Removing a conference To remove a conference 1 Click Conferences on the Conference Server entry page You can also click the Conferences icon in the main navigation bar The Conferences page displays 2 Select the conference you want to remove Click Remove The Conference Server prompts you to confirm that you want to delete the conference D A Click to Meet Conference Server User Guide 3 Click OK You can define a user as being associated with a conference in the Conference Administrator database However when you remove a conference you also remove the association with the user The user record remains in the database 72 Click to Meet Conference Server User Guide The Conference Server Layout Applet
95. d click Add The Add User page displays At a minimum you must provide the following information in the user record e Username e Password e User Permission Conference Manager or General User Normal e Organization Note H you intend to allow a user to send e mail invitations for the videoconferences s he creates you must also enter the that user s e mail address in the user record This serves as the return address Reply to field on the e mail invitation The type of permission you assign a user depends on the level of control you want that user to have over the conferences s he creates The most 110 Click to Meet Conference Server User Guide important differences between conference managers and general users can be summarized as follows e Conference managers can create edit and remove scheduled conferences specifying start date start time conference duration and repeat interval general users can create temporary conferences on the fly which start at the time of creation and are deleted after a conference duration determined by the template conference e Conference managers can create conferences that require username password authentication and create user records to specify which participants are allowed to connect general users are limited to creating unauthenticated conferences or conferences that require a conference password only Table Conference Manager Versus General Users
96. d exists specifying the user s IP address and the General User Admit permission Conference Server will allow the user to connect General User Deny Permission Conference Server maintains a deny list as part of its user database file You should assign General User Deny to a user record when you want to deny a user access to a conference s This permission requires that you specify the user s IP address in the user record You can deny a user on a per conference basis or for all conferences in your domain If a user attempts to connect to a conference for which s he has been denied Conference Server will refuse the connection You can also deny users in real time from within the Monitoring area of the Conference Server interface General User Admitted sender Permission The General User Admitted Sender permission allows a participant to send audio video and chat streams even when these data types are not otherwise permitted in a conference For example in a one way cybercast you may want multiple participants to watch a single data stream as content source for the cybercast You would configure this kind of conference with Broadcast mode enabled so that only admitted senders could send audio video and chat Participants would receive data only from the content source admitted sender and not from other observers in the conference You would need to create a user record assigning the General User Admitted Sender permission to the user
97. d text editor or spreadsheet application for graphing and interpretation see the following figure Mon Sep 25 17 04 00 2000 Time Cont MB Processed MB Pruned Avg Users Tot Time Cur Users Connects 17 04 00 24 87 210 23 17 04 00 0 9 205 78 17 04 00 0 62 159 33 17 04 00 0 31 94 66 17 04 00 5 21 49 4 17 04 00 0 0 17 17 04 00 33 0 0 17 04 00 44 23 02 Mon Sep 25 17 19 05 2000 Time Conf MB Processed MB Pruned Avg Users Tot Time Cur Users Connects 17 19 05 270 55 17 19 05 250 22 17 19 05 231 45 17 19 05 126 82 17 19 05 49 87 17 19 05 17 19 05 17 19 05 00000000 NOOS NHD 29 72 oO P oib zz OH 500000000 0O0O0ON 0000 A Conference Server logs statistical data to a single file for your entire server You determine the parameters for this file when you add a Conference Server to your Conference Server domain see Historical Statistics If there are multiple Conference Servers in your domain each will keep its own cs stats log file In the log file Conference Server provides statistical data in a number of categories for each conference on your server These categories are e Megabytes of data the Conference Server processed since the last date time stamp e Megabytes of data the Conference Server pruned since the last date time stamp intelligently discarded because of bandwidth limitations e Average number of participants connected since the last date time stamp e T
98. d to gatekeepers in the same zone or if they are registered to one gatekeeper the conference nickname must be unique This is because the H 323 domain name will be the same for all servers You must create the conferences individually on all the servers and the conference nickname must be unique on each server As with this example one server can then cascade with another server by using the CallOut Applet and the conference nickname 140 Click to Meet Conference Server User Guide Corporate Web Site You can find additional information about RADVISION products on our Web site e For the latest news from RADVISION visit http www radvision com e Click to Meet Release Notes You can access the Release Notes at http support clicktomeet com Release Notes contain critical information It is recommended that you read the release notes prior to installation e For access to our database of Frequently Asked Questions FAQs and other information visit http support clicktomeet com Technical Support RADVISION provides live technical support to our distributors resellers and service contracted customers If you have purchased your RADVISION product from a distributor or authorized reseller contact the technical support staff of that distributor or reseller for assistance with installation configuration troubleshooting or integration issues If you need further assistance please visit the RADVISION Click to Meet web s
99. dec You cannot choose multiple codecs for each category If you do not choose these options the Conference Server uses of G 711 u Law 64 Kbps and H261 CIF as the default required audio and video codecs Each of the H 323 video codecs has a character string that appends its name to the conference indicating video resolution The video resolutions are e CIF Common Intermediate Format 352 x 288 pixels e QCIF Quarter Common Intermediate Format 176 x 144 pixels e SQCIF Sub Quarter Common Intermediate Format 128 x 96 pixels e CP4 Continuous Presence CIF video window divided into four QCIF cells The selections for Bandwidth and Required Codecs affect each other Once you select the overall conference bandwidth the Conference Server applies restrictions on the amount of transmitted audio and video data When Continuous Presence is ON it also adds bandwidth requirements to the conference bandwidth The following tables list videoconferencing clients that are compatible with the listed codecs They are not inclusive of all clients that can connect to H 323 conferences on the Conference Server Table Audio Codecs Available Audio Codec For Use with Client 59 Click to Meet Conference Server User Guide G 711 u Law 64 Kbps G 711 a Law 64 Kbps G 722 64 Kbps G 722 1 32 Kbps G 722 1 24 Kbps G 722 1 16 Kbps CUseeMe Client H 323 SIP CUseeMe Client H 323 SIP CUseeMe Client H 323 SIP CUseeMe Clien
100. dministrator Web pages that control the Conference Server you want to re assign Navigate to the Define Database Server page in the Network area 2 Enter the IP address and HTTP port number of the Conference Administrator database that controls the domain to which you want to re assign the server Click Submit The following message displays Database server has been successfully changed Please re log back into the system 3 Click on the Conference Server icon at the top left corner of your browser window to return to the Conference Server entry page and click the Log Out button A page displays confirming your log out 4 Log into the Conference Administrator Web pages for the domain to which you are reassigning the server The entry page displays for Conference Server s Conference Administrator Web pages Note You must have a valid user name and password in the Conference Administrator 101 Click to Meet Conference Server User Guide database that controls the new domain 5 Navigate to the Conference Server Domain Members page in the Network area Click the Add button above the domain members list The Add Domain Member page displays 6 Fill in the server wide settings for the Conference Server you are re assigning At a minimum you are required to enter values for Name IP address Maximum simultaneous participants allowed and Send and Receive rate fields Click OK 7 Aconfirmation page displays Your Conference Se
101. domain must reference the same Conference Administrator database When you install the Conference Server you specify the location of the Conference Administrator Database for the domain The Define Database Server page allows you to change which Conference Administrator database serves the domain Note Do not confuse the Conference Administrator database with the administrative server for the Conference Server domain The administrative server is a videoconferencing server that keeps master conference configuration information for all servers in the domain The Conference Administrator database is part of the Conference Administrator Web pages The database contains user authentication information You can install the database on a different computer than your administrative server To specify the location of the Conference Administrator Database for your Conference Server domain 1 Click the Network icon on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page displays Click the Database button The Define Database Server page displays In the IP Address field enter the location of the Conference Administrator database for your Conference Server domain Use the server IP address in standard dot notation 4 Inthe Port field enter the HTTP port for the Web server that runs your Conference Administrator Web pages Refer to the documentation that came with your third party HT
102. don the applet and return to the Monitor Users window To clear a video source 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays 2 Select the conference you want to monitor from the conference selection box on the Monitoring page and click Monitor Users The Monitor Users page displays 3 Select the appropriate participant from the selection box on the Monitor Users page and click Clear Video Source An applet window will display titled Confirm User Clear Video Source 4 Click OK if you want to clear the video source for the conference Click Cancel if you want to abandon the applet and return to the Monitor Users window Monitoring Dynamic Statistics for a Conference To obtain a real time snapshot of client participation in a specific conference 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays 2 Click the selection button labeled For a Conference under Dynamic Statistics on the Monitoring page 3 From the pull down menu select the conference for which you want statistics and click Get Statistics Conference Server will link you to the Monitor Statistics page and display the following information for the conference you selected e Number of servers hosting the conference and of these servers ho
103. dpoints An MCU manages conference resources negotiates capabilities between endpoints and more The Conference Server is a multipoint control unit with an integrated H 323 gatekeeper The Conference Server can register as an endpoint with its own local gatekeeper or with a third party gatekeeper The services that gatekeepers provide include the following e Address Translation Gatekeepers perform translation from alias address to transport address Endpoints register one or more aliases with the gatekeeper Other endpoints then query the gatekeeper for a desired alias All Conference Server H 323 conferences 13 Click to Meet Conference Server User Guide have registered aliases with the gatekeeper e Admissions Control H 323 endpoints send RAS Registration Admission Status messages to the gatekeeper The gatekeeper authorizes network access to these endpoints When a terminal videoconferencing client sends a request to connect to a conference the gatekeeper queries the Conference Server s existing authorization mechanisms to determine whether to admit the terminal Only H 323 clients that support RAS messaging can register for call control services with the gatekeeper Some clients do not support RAS and therefore cannot register with the gatekeeper You can use the Telnet gk route command to create an alias manually for H 323 clients without RAS capabilities For more information see the gk route command i
104. e RTVIDEO Microsoft Office Communicator 60 Click to Meet Conference Server Table H 264 Level description User Guide Level Max Video Bitrate kbps Max Format 1 64 QCIF 1 1 192 CIF 1 2 384 CIF 1 3 768 CIF 2 2 000 CIF 2 1 4 000 CIF 2 2 4 000 4CIF 3 10000 4CIF 3 1 14 000 720p HD 3 2 20 000 720p HD 4 20 000 1080p HD 4 1 50 000 1080p HD 4 2 50 000 1080p HD 5 135 000 1080p HD 5 1 240 000 1080p HD The Add Conference page displays different options depending on the conference bandwidth setting you chose The following table lists the combinations of values Conference Server uses Table Settings for H 323 Conferences Conference Frames Continuous Audio Video Video Bandwidth per Presence Codec Codec Resolution Second 164 b loft Be 1H 263 DOE 1128 10 off 6 723 1 1H 263 DO 256 15 loft GA EE CIF 384 30 lott GA EA CIF DE 30 loft GA EE CIF 1768 30 loft GA SEA CIF 11024 30 ott GAN EE CIF The Defaults button sets the audio codec video codec frames per second and video resolution to RADVISION recommendations for the conference bandwidth that you chose Using the Defaults button always disables the Continuous Presence option 61 Click to Meet Conference Server User Guide Time Limits The Time Limits option lets you limit the amount of time participants spend connected to a co
105. e videoconferencing client Note e The user must connect to the Conference Server conference from the same IP address used to submit the authentication request For a user with dynamic IP addressing this means the connection to the conference must be made during the same Internet session as the authentication request e If the user selected the check box labeled I want to choose the server to use Conference Server will not poll the servers for load balancing information Instead it will display a list of servers that are hosting the conference and allow the user to decide which server to connect to Customizing the User Authentication Web Page The User Authentication Web page is meant to be an interface between an organization s videoconferencing service and its users You can modify it with custom graphics and links to reflect the identity and specific needs of your organization For example your company may want to allow new customers to register online for videoconferencing services You could add a link on Conference Server s User Authentication Web page to a secure online registration page as well as integrate company logos and other graphics to maintain consistency with your company Web site User authentication The Conference Server provides several different options to control client access to your conferences To select one of these options click the appropriate selection button under User Authentication on the Add
106. e Mode Applet and the CallOut Applet The User Tools installer is not part of the product installation It is located in the UserTools directory of your product CD Product options You can purchase the Conference Server with the following options Video The Video option is standard on Conference Server It enables video for Conference Server conferences Additional Audio The Additional Audio option enables expanded audio capabilities and additional codec support G 722 and G 729A for increased speech quality at reduced bandwidth requirements Continuous Presence Mode option tis Click to Meet Conference Server User Guide The Continuous Presence Mode option enables H 323 client endpoints to view multiple windows at the same time Streaming Media option for Microsoft Windows 2000 The Streaming Media option enables the Conference Server to distribute an audio video stream from a conference for distribution to a large audience It also records the conference for a permanent easily accessible record H 323 The H323 option enables H 323 users to participate and creates a matching T 120 data conference SIP The SIP option allows Microsoft Windows XP SIP clients to participate in a conference Conference Client Web option The Conference Client automatically enables your desktop with rich media communication tools About the T 120 Standard The T 120 standard is an open standard that provides a series of p
107. e SDP page contact your Tomcat administrator or refer to the Tomcat documentation for instructions about how to manage users After logging out from the SDP page you need to re login to use it again If you do not want users to use the Back button to view the SDP page delete the cached pages in your Web browser Using SNMP with the Conference Server The Conference Server includes dynamic services such as SNMP and SOAP These services are user configurable through the svc conf file By default SNMP is enabled on the Conference Server at start up But you can decide whether the corresponding library is loaded or not Once the svc conf is modified you must re start the Conference Server to make your changes take effect Where is the service configuration file On Windows the svc conf file is located in lt SysDir gt system32 On Linux Solaris it is located in lt InstallDir gt lt YourMachineName gt How do you modify the service configuration file The svc conf file contains a brief name description for each service that can be used by the Conference Server For example Enable the Loadable Loadable Service 131 Click to Meet Conference Server User Guide is followed in the next line by a configuration command If you want a service to be dynamically loaded remove the leading comment sign of the configuration command dynamic LS_SNMP Service_Object UscsSnmp _make_UscsSnmpEntry You can change
108. e Server sends session data to your third party billing system each time a client disconnects However if service is unexpectedly disrupted the following files prevent loss of session data cs cur Saves current time every minute cs sdf Lists currently connected clients sdf Client session data files where is the client IP address When you restart Conference Server after a disruption it will reference these files and send the appropriate session data to your third party billing system Conference Server continually writes current information to these files and deletes information as it becomes obsolete In this way the files always reflect the current state of your Conference Server and do not ever 121 Click to Meet Conference Server User Guide need to be purged User Authentication If you choose to authenticate and or bill users through a third party system your users will first need to connect with a browser to Conference Server s User Authentication Web page From the User Authentication Web page a user can submit an authentication request to join a conference Then the Conference Server queries the third party system for user authentication The Conference Server only allow users authenticated by the third party system to connect to the requested conference Defining Your RADIUS Server From the Define RADIUS Server page you can specify the parameters that Conference Server s RADIUS Remote Authentication Dial In U
109. e Streaming of a Conference Server Conference You need to issue the Telnet command stream media OR use the Conference Server GUI to enable the streaming AFTER you have the following in place A Conference Server Conference Server with the Streaming Media add on option installed An H 323 conference configured on your Conference Server specifying G 711 A law or u Law G 723 1 or G 729A as the required audio codec and one of the following as the required video codec e H261 CP4 e H261 ClF e H261 QCIF e H263 ClF e H263 QCIF e H263 SQCIF Note The H261 CP4 video codec enables continuous presence for your conference provided that you have Conference Server s Continuous Presence option installed In an H 323 continuous presence conference Conference Server routes a composite video stream with the videos of up to four conference participants In a standard H 323 conference Conference Server routes video based on default video switching for the conference In both cases Conference Server performs audio mixing of the H 323 audio streams A Windows 2000 system with Conference Server s streaming media audio and video capture drivers installed 123 Click to Meet Conference Server User Guide Third party streaming encoder exporter software should also be installed on this system The installer for Conference Server s streaming media audio and video drivers is included on the Conference Server CD in a directory called StreamMedia
110. e connected to the Conference Server User Authentication Web page users need to first enter the following information and then click the Authenticate button User Name if required Users enter a username if the conference requires username password authentication Username must be specified in a user record in Conference Server s Conference Administrator database or your third party RADIUS server Password if required Users enter a password if the conference requires username password authentication Password must be specified in a user record in Conference Server s Conference Administrator database or in your third party RADIUS server Choose conference from list Users select a conference to join from the pull down menu The list displays all public conferences currently active in the Conference Server domain If a conference has been given the private attribute it will not display in the list Use the field labeled Specify Conference ID if not listed to specify the ID of a private conference Specify Conference Password if required If the conference is password protected users must enter the conference password in this field An administrator determines password protection for a conference when adding or editing a conference in the Conference area want to choose the server to use If a conference is hosted by multiple Conference Servers Conference Server will automatically choose which server to tell the client to connec
111. e definition of the Server lt documentation gt lt annotation gt lt message name sendTelnetCmdRequest gt lt part name cmd type xsd string gt lt message gt lt message name sendTelnetCmdResponse gt lt part name result type xsd string gt lt message gt lt message name sendTelnetEventRequest gt 134 Click to Meet Conference Server User Guide lt part name event type xsd string gt lt message gt lt message name sendTelnetEventResponse gt lt part name result type xsd integer gt lt message gt lt portType name Server gt lt operation name sendTelnetCmd gt lt input message tns sendTelnetCmdRequest name sendTelnetCmd gt lt output message tns sendTelnetCmdResponse gt lt operation gt lt portType gt lt portType name Client gt lt operation name onTelnetEvent gt lt input message tns sendTelnetEventRequest name sendTelnetEvent gt lt output message tns sendTelnetEventResponse gt lt operation gt lt portType gt lt binding name ServerSOAPBinding type tns Server gt lt soap binding style rpc transport http schemas xmlsoap org soap http gt lt operation name sendTelnetCmd gt lt soap operation soapAction http www clicktomeet com server sendTelnetCmd style rpc gt lt input gt lt soap body encodingStyle http schemas x
112. e the name you should keep the stats extension When Conference Server creates a backup of the log file it inserts a date time stamp between the main part of the file name and the stats extension Log interval The Write to log every field specifies at what interval in seconds Conference Server will write summary statistics to the log file By default Conference Server sets this interval to 600 seconds 10 minutes Each time data is written to the file Conference Server includes a date time stamp You should be careful not to set too frequent a time interval Log files can become large very quickly and require frequent backup In addition gathering statistics is a CPU intensive operation and can slow the performance of your Conference Server Note You must specify an integer greater than 0 zero in the Write to log every field if you want Conference Server to generate statistics for your server This impacts real time statistics as well as historical statistics Real time statistics are accessible from the Monitoring area If you want real time statistics but do not want to generate a stats log file enter a value greater than 0 zero in the Write to log every field and enter O zero in the Max number of lines field Line limit The Max number of lines field determines whether Conference Server will create a stats log file and defines how large Conference Server will allow that file to get before creating a backup The size of the file
113. ected conference must enter the correct password CuseeMe protocol users enter a conference password during the connection process However H 323 clients enter a password through the T 120 server the User Authentication Web page or the CallOut applet When you create an H 323 conference the Conference Server creates a matching T 120 conference If you password protect the H 323 conference the Conference Server communicates this password to the T 120 server Any H 323 client that connects using the T 120 protocol for example NetMeeting must first connect to the T 120 server This initial connection requires that the user enter the password If the user enters the correct password the T 120 connection succeeds and the Conference Server admits the user to the corresponding H 323 videoconference In this way the Conference Server uses the T 120 server to handle passwords with H 323 clients H 323 clients that do not connect using the T 120 protocol for example clients that use RAS messaging can enter a conference password if they use the User Authentication Web page or the CallOut applet To connect an H 323 user to a password protected conference through the CallOut applet you must provide the password for the conference in the applet before issuing the callout The participant receiving the callout connects to the conference without being required to enter the password For more information see Using the CallOut applet 47 Click
114. eeMe Client version 3 0 or later The Conference Server denies access to CUseeMe Clients with version 3 0 and earlier Time Limits This option is available only on the Add CUseeMe Conference page Setting a time limit lets you define the amount of time that participants spend connected to a conference In an H 323 protocol only conference you can also choose bandwidth B8 Click to Meet Conference Server User Guide controls Bandwidth This option is available only on the Add H 323 Conference page H 323 clients use a single bandwidth setting that combines both send and receive rates The Bandwidth section lets you define e The upper limit in Kbps for sending audio and video data Note H 323 endpoints are typically configured using the total of the send and receive bandwidth that in a session For example if the configuration of an H 323 endpoint is 768 Kbps set this field to 384 e Whether or not to use Continuous Presence mode the default is OFF Note When you select Continuous Presence it sets the video codec to H 261 The format for sending video is QCIF while the format for receiving video is CIF e The frames per second fps for video Required Codecs This option is available only on the Add H 323 Conference page The Required Codecs option lets you define e Audio codec e Video codec e Video resolution When creating an H 323 conference you must choose one required audio codec and one required video co
115. electing a Conference The Conference Server provides a variety of methods for H 323 client users to choose which videoconference to attend In addition CuseeMe protocol users see a list of available conferences when they connect to the Conference Server H 323 clients can select a videoconference through e AnH 323 gatekeeper e The Conference Server T 120 server e The User Authentication Web page e Default H 323 conference routing e The CallOut applet Selecting a Conference Through a Gatekeeper If you configure the Conference Server to use a gatekeeper it automatically registers two aliases with the gatekeeper for each of its H 323 enabled conferences H 323 and H 320 endpoints use these two aliases to request admission from the gatekeeper to the conference The gatekeeper uses address translation to convert the alias addresses to a transport address enabling the clients to connect The Conference Server registers the following aliases for each of its H 323 conferences H323 ID Terminal Alias H 323 endpoints use an H323 ID terminal alias to specify which conference to connect to through the gatekeeper The Conference Server creates H323 ID terminal aliases using the following syntax conf lt Conference ID padded to 5 digits gt lt host name gt For example the default H323 ID terminal alias for Conference 12 hosted on a server with the host name california is conf00012 california You can customize the H323 ID terminal a
116. en to participants on a first come first served basis e This conference is password protected Users must enter a password to connect to the conference CUseeMe protocol client and NetMeeting users can specify a conference password within their client applications Other H 323 users must use the User Authentication Web page to enter a conference password before connecting with videoconferencing clients Click Next to continue The subsequent screens depend on the security option you chose for your conference The remaining steps for each option follow each begins with a step number 6 Option This conference is open to everyone 6 In the E mail field enter an email address to which you want to send an invitation Click Add New The MeetingPlanner adds the email address to the Invited Users list Repeat this step for each person you want to invite up to the maximum number of participants allowed in the conference Click Next to continue Note lf your Conference Server administrator did not define an email server for outgoing messages this screen and the screen described in the following step do not display The MeetingPlanner applet instead skips to the final screen The MeetingPlanner displays the default invitation message to the email addresses you entered You can review the message and modify it in the text box Note The Meeting Planner sends email invitations only once even for scheduled or repeat conferences The Meet
117. ence Server SOAP is configurable by using p lt port gt as an initialization argument in svc conf file For information on how to configure the SOAP dynamic service see Configuring Dynamic Services The URL for a remote SOAP client to connect to the Conference Server is http lt ConferenceServerlP gt lt port gt Use 10080 for the default lt port gt value For example if your Conference Server is installed at IP address 123 4 5 6 the URL would be http 123 4 5 6 10080 Use the localhost as the lt ConferenceServerlP gt The client in the preceding example is running on the same machine as the Conference Server Note SOAP clients outside the firewall cannot receive SOAP telnet events from the Conference Server Be sure to check the release notes for the most recent information about the SOAP API The following is the complete description of the Conference Server SOAP interface in WSDL format lt xml version 1 0 gt lt definitions targetNamespace http www clicktomeet com server xmlns http schemas xmlsoap org wsdl xmlns soap http schemas xmlsoap org wsdl soap xmlns SOAP ENC http schemas xmlsoap org soap encoding xmins tns http www clicktomeet com server xmlns xsd2 http www clicktomeet com server schema xmlns xsd http ww w3 org 2000 10 XMLSchema gt lt annotation gt lt author gt Jason Danielson lt author gt lt date gt 2003 07 25 lt date gt lt documentation gt This is th
118. ence Server periodically broadcasts a session announcement on the Internet The session announcement contains the information you enter in the following fields If you leave any of the fields blank they display as empty in the session announcement Conference Owner Provides the name of the conference owner or contact person This information can be a login name or any other meaningful collection of characters E mail Address Provides an e mail address for the contact person or conference owner Phone Number Provides a phone number to call for more information 56 Click to Meet Conference Server User Guide Conference URL Provides the URL or a Web site to visit for more information Description Provides a short descriptive message limited to 255 characters Note At the time of publication H 323 clients could not participate in IP Multicast conferences Conference Password To define a password for your conference enter any combination of characters and spaces in the text field labeled Password A Password is an optional security feature that you can apply to your conferences The Invalid Password Message field lets you enter a message that displays to CUseeMe protocol participants if they attempt to connect with an incorrect password The Conference Server limits the conference Password field to 31 characters and the Invalid Password Message to 255 characters H 323 client users can only connect to a password protec
119. ence Server will dynamically negotiate the UDP ports to use for for audio video RTP audio and video based on the range specified by the media ports telnet command The default range is between 2326 and 65535 but the ports can be specified The command format is media ports min max The minimum value must be greater than or equal to 2326 The maximum value must be 100 greater than the minimum and cannot exceed 65535 Table 3 below summarizes all TCP and UDP ports in use Table 3 Port Summary for different Conferencing Scenarios CCLT Old CCLT Linking SIPto T 120 to Browser client to RADIUS H 323 to to to CSRV between CSRV CSRV CSRV CSRV CSRV telnet UDP Ports dynamic 7648 7648 dynamic 1414 24032 24032 1424 56800 56800 dynamic TCP Ports 443 17648 7650 7650 5060 1503 8080 7640 1720 RADVISION is currently working to enable more secure firewall traversal As a security option you can set up two Conference Servers one on either side of the firewall Configure the firewall device to allow only incoming data from the Conference Server outside the firewall blocking all other incoming streams Link the two Conference Servers so that participants on both sides of the firewall can have conferences together Remote participants connect to the Conference Server outside the firewall Local participants connect to the Conference Server inside the firewall Note H 323 clients
120. ence Servers and multicast group addresses that you have specified in your layout 5 Click OK The following table explains the link colors Table Link Colors 76 Click to Meet Conference Server User Guide Link Color Description Media Supported Green Selected link Not applicable Red Mie bi directional or uni directional Audio and Video AV only in Blue default Unicast bi directional or uni directional Audio Video and T 120 link AVT Magenta Unicast bi directional link Audio and Video AV only Yellow Unicast bi directional link T 120 T only T 120 protocol is capable only over a bi directional link Changing Linking Settings You can double click any link to change its direction change its parameters or delete it For more information see the figures for the uni directional dialog box and the bi directional dialog box When you edit a link between two servers you can specify the following items e Send Rate How much bandwidth a server can use to transmit data to a linked server e Keep Alive Interval How often a server sends keep alive messages to a linked server e Media The media supported by the link One Way Link If the link is one way you can edit the Send Rate only for the primary server the server that sends conferencing data The secondary server the receiving server sends the keep alive messages One way links are capable of Audio and Video AV only Two Way Li
121. er Guide o Admit o Admitted Sender o Deny Administrator Permission Administrator permission gives a user administrative access to the Conference Administrator Web pages The Administrator permission is not specific to any conference it applies to all conferences on your server This allows the user with Administrator permission to configure conferences manage a network of Conference Servers and control user access You can assign Administrator permission to any number of users To assign Administrator permission first create a user record Select Administrator permission and enter a username and password for authentication purposes You do not need to know the user IP address in order to assign Administrator permission The default user record that installs with the database provides initial access to your server This default record has a username of Administrator and a password of changeme RADVISION strongly recommends that you change the username and password of this default user record as soon as possible to maintain the security of your Conference Server Moderator Permission Moderator permission gives a user limited access to the Conference Administrator Web pages This allows a user to control the rights of active participants in a specific conference To assign Moderator permission first create a user record Select Moderator permission and enter a username and password authentication purposes You do not need to know the user
122. er IP networks With large conferences the number of copied data streams distributed on a network can consume a lot of bandwidth The Conference Server videoconferencing solution is multicast capable application software In addition it provides a bridge between unicast and multicast environments To implement multicast on your network your infrastructure must comply with the IP Multicast standard This includes e TCP IP stacks e Network interface cards 67 Click to Meet Conference Server User Guide e Computer operating systems e Routers and switches Vendors of these network products can help you select the appropriate hardware and software Note that H 323 clients cannot currently take advantage of IP multicast To enable multicast for a conference select the Enable multicast option in the Multicast section of the Add Conference page The Conference Server automatically chooses appropriate multicast group addresses and port numbers on which to route client video audio and control data It also sends out a multicast session announcement that you specify to a well known multicast address To enable multicast for your conference you must also enter a time to live value in the TTL text field TTL values control the number of routers or hops that an IP multicast packet is allowed to traverse Each time a router forwards a packet the TTL value decrements A multicast packet whose TTL expires decrements to 0 is no lon
123. er User Guide Click Next to continue Note l your Conference Server administrator did not define an email server for outgoing messages this screen and the screen described in the following step do not display The MeetingPlanner applet instead skips to the final screen The MeetingPlanner displays the default invitation message to the email addresses you entered You can review the message and modify it in the text box Note The Meeting Planner sends email invitations only once even for scheduled or repeat conferences The MeetingPlanner sends the email invitation when you create the conference Click Next to continue The MeetingPlanner displays a screen with a list of the settings you can chose for your conference lf you want to change a setting click Back until you reach the screen that you want When you are satisfied with the settings click Finish The MeetingPlanner creates your conference and closes the applet It then launches the User Authentication Web page In the text field labeled Specify Conference Password if required on the User Authentication Web page enter the password for the conference If you are connecting with an H 323 client you also must select am using an H 323 compatible client Click Authenticate The Conference Server displays a Web page with the IP address of the server hosting your videoconference Close the User Authentication Web page and connect to the specified server with your videoco
124. erence choose the H 261 CP4 codec as the required video codec for the conference The Conference Server merges the video of up to four participants into a single video stream It divides the continuous presence video stream into four cells or quadrants At the start of a conference the quadrants display the videos of the first four participants to connect If fewer than four participants connect to the conference a dark gray box displays in the empty quadrants If more than four participants connect the default audio based video switching mechanism determines which videos display in the continuous presence stream The Conference Server uses a speaking order first in first out formula to determine how to replace videos in the stream If a participant whose video does not currently display in the stream speaks that participant s video replaces the video of the participant that displayed for the longest period without speaking This allows for a natural grace period for each video stream based upon the dynamics of the conference If you want to guarantee quadrant placements for specific participants in a conference you can do so by using the Conference Server Continuous Presence Mode applet This Java applet enables a Conference Server administrator or conference moderator to pin a participant video to a particular quadrant of the continuous presence stream When a quadrant is pinned default video switching no longer affects it For more inform
125. erence Server automatically assigns the server with the lowest IP address as the top provider Clearing the Mapping Area To clear the mapping area 1 Click the Load button in the layout applet toolbar The Open a layout applet window displays 2 Click Create a new one 3 Click OK The Conference Server clears the mapping area Changing Layout Settings You can modify the settings for any of the icons or links in the mapping area To change layout settings 1 Click the Selection Tool in the layout applet toolbar 2 Double click the link or icon you want to edit An applet window displays 78 Click to Meet Conference Server User Guide 3 Make the changes you want to the layout 4 Click OK Creating a Conference Server Layout Template You can save layouts that you create in the Network area as templates To create a Conference Server layout template 1 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page appears Click the Layouts button on the Network page The Define Conference Server Layout Template page displays Choose the configuration settings that you want for the layout template When you are satisfied with the configuration you have created in the mapping area click the Save button in the layout applet toolbar The Save As applet window displays Enter a name for the layout template and click Save Th
126. erences you need to create an organization record An organization record provides a way to associate users with template conferences For example if you are a network administrator for a large corporation you might create several different organization records such as Marketing Sales Engineering and so on The members of each organization have a set of requirements for the conferences in which they participate They also have one or more representatives that will access the MeetingPlanner applet to create those conferences When you create an organization record you assign it one or more template conferences Later you create user records for those users that will access the MeetingPlanner applet You associate each user record with an organization record A user that accesses Conference Server s MeetingPlanner can create conferences with the templates you have assigned that user s organization To create an organization record navigate to the Users area of Conference Server s Conference Administrator Web pages and click Organizations For step by step instructions see Managing Organizations Create a Conference Manager User Record After you have defined your template conferences and organization records you need to create user records for those people that will access the Conference Server MeetingPlanner applet To create a user record navigate to the Users area of Conference Server s Conference Administrator Web pages an
127. essor might spend the first part of a conference giving a lecture During the lecture it is not necessary for participants to see or hear anyone but the professor The professor is the only admitted sender in a one way cybercast Later the professor as Moderator can open up the conference to questions and answers from the group The professor can select students to become temporary admitted senders This allows all the other participants to see and or hear these students as they ask their questions Note You assign the Moderator permission on a per conference basis Users assigned this permission can moderate a conference by logging in to Conference Server with a browser and simultaneously joining the conference with a client conferencing application If a Moderator is also to be an admitted sender you must create two user records one specifying the Moderator permission and another specifying the General User Admitted Sender permission Alternatively the Moderator can grant the floor to his own client from the Monitor Users page Conference Manager Permission The Conference Manager permission gives an end user the right to access Conference Server s MeetingPlanner applet to create schedule edit and remove conferences The conferences that an end user creates with the applet are based on template conferences that have been pre configured by an administrator The Conference Manager permission does not allow the user to access Conference Se
128. even if you already selected one When you enter the Conferences area for the first time the Conference Server displays a default list of conferences that loaded at installation The default list is a starting point you can use these conferences as they are modify them or remove them The default conferences are on the administrative server When you add a Conference Server to a domain the new domain member receives a conference list from the 49 Click to Meet Conference Server User Guide administrative server To allow a new domain member server to host a conference you must edit the Conference Server layout for the conference The layout defines which Conference Server hosts a conference and what kind of links if any exist between the servers The conference selection box on the Conferences page gives a snapshot view of the attributes of each conference A single letter code above the conference selection box denotes the conference attributes Enabled attributes display with an asterisk on the line below the letter code At a glance you can see the main characteristics of a conference Below the conference selection box is a Conference Attributes key Click any conference in the selection box to display its attributes Select the Keep List Updated option on the Conferences page to update the conference list automatically every two minutes If you do not select this option you can click the browser Refresh button to see changes
129. ference Administrator Web pages are installed For example you could enter the URL using either of the following formats http 100 11 2 3 8080 radvision cpmode html http events radvision com 8080 cs cpmode html The launch page for Conference Server s Continuous Presence Mode applet displays in your Web browser window along with the applet login screen Enter your Moderator or Administrator user name and password and click Login The Continuous Presence Mode applet displays ES Continuous Presence Mode Applet Set Continuous Presence Mode Select Conference E H323 High Performance Conference Cell 1 Cell 2 lt switched gt Cell 3 Cell 4 lt switched gt lt switched gt Refresh Exit Note 1 Users can access the Continuous Presence Mode applet through a Start menu shortcut if they install the Conference Server User Tools shortcuts The Continuous Presence Mode applet can only be used during an active conference You need to keep the Continuous Presence Mode launch page active while using the applet However you can minimize the browser window that displays the page if you choose 4 If you exit the applet but keep the Continuous Presence Mode applet launch page active in your browser window you can restart the applet by clicking your browser s Reload Netscape Navigator or Refresh Microsoft Internet Explorer button To define which video will display in each video cell of a continuou
130. ference Server cuts back or prunes the amount of data it sends to lower speed remote participants instead of flooding them with more data than their connections can handle This results in considerable network bandwidth savings The Conference Server does not send data over the network that lower speed remote participants cannot use This improves the quality of the conference for all participants LAN based participants benefit because their performance is not scaled down to the least common denominator Remote participants benefit because the Conference Server makes intelligent decisions about what data gets through to them rather than allowing the network to drop random data packets Note You can get additional bandwidth on a multicast enabled corporate LAN The Conference Server builds on the inherent bandwidth savings of IP multicast by bridging multicast and unicast connections Each remote unicast participant sends a single audio visual data stream to the Conference Server The Conference Server then sends by multicasting those streams to participants on the corporate LAN For more information see Understanding Unicast and Multicast Manual Bandwidth Controls As more participants take part in multimedia conferences it can consume significant amounts of your network bandwidth In this case you can put some limits in place You can manually control how much bandwidth participants use on your network by setting limits by conference or by
131. ference Server in your layout as the top provider for your H 323 conference The top provider creates the initial T 120 conference and then invites linked servers to create matching T 120 conferences Load Button Click the Load button to load a previously saved layout template in the mapping area You can also click the Load button to clear the mapping area and create a new layout Save Button Click the Save button to save your Conference Server layout as a template This button displays only in the layout applet in the Network area Delete Button Click the Delete button to delete a previously saved template from the server This button displays only in the layout applet in the Network area Quit Apply Button Click the Quit button to close the layout applet In the Network area the Conference Server prompts you to save your layout as a template In the Conferences area the Conference Server prompts you to apply the layout to your conference Defining a Server Layout for Your Conference The Conference Server displays the Define Conference Server Layout page when you click Next on the Add Conference page after you specify your conference settings You can create a new server layout or apply a previously defined server layout template A Conference Servers does not have to be in your domain to be included in the layout However if you include a server that is not in your domain you must make sure that server is set up properly to
132. ference determines how the Conference Server distributes video audio and chat data To select a Broadcast Mode click either Normal or Broadcast on the Add Conference page Normal The Normal mode creates a two way interactive conference that distributes video audio and chat between all participants Broadcast The Broadcast mode creates a conference that distributes data only from admitted senders While other participants can connect the Conference Server does not distribute any of their data Participants who are not admitted senders are observers Observers cannot send video audio or chat They do not display in the Participants List If a conference has no admitted senders it appears empty to the observer even if there are others connected The Broadcast mode is useful for cybercast events that have no need for two way interaction lt eliminates the traffic associated with connected participants freeing up bandwidth for the one way transmission of content This improves the quality of the broadcast especially for participants on low speed connections You can create a variation on this mode by selecting Broadcast and selecting the Allow audience to interact with sender option When you select both of these options admitted senders can see and interact with connected observers The observers can see and interact only with admitted senders This can be extremely useful for lectures or other presentations in which the presenter the
133. ference password within their client applications Other H 323 users need to use Conference Server s User Authentication Web page to enter a conference password before connecting to the conference with their videoconferencing clients e This conference is limited to specific participants Only those participants whom you define will be able to access the conference These participants need to use Conference Server s User Authentication Web page to enter a personal username password combination before connecting to the conference with their videoconferencing clients Click Next gt to continue The screens that display next depend on the security option you chose for your conference The remaining steps for each option follow Option This conference is open to everyone 9 A screen displays that allows you to define addresses to which MeetingPlanner will send e mail invitations for the videoconference In the E mail field enter the e mail address of a person to which you would like to send an invitation and click Add New MeetingPlanner adds the e mail address to the Invited Users list Repeat this step for each person you want to invite up to the maximum number of participants allowed in the conference Click Next gt to continue Note l your Conference Server administrator did not define an e mail server for outgoing messages this screen and the screen described in the following step will not display The MeetingPlanner applet
134. fore you install make certain that you have the correct OS and other system requirements for the product 126 Click to Meet Conference Server User Guide 2 Prepare the media source Start Conference Server and login as an administrator Create a H 323 conference and set the audio format to G 711u set the video format to H 261 and set this conference streaming to the streaming server Proceed to connect the clients into the conference 3 Prepare the streaming server Make any necessary changes to the streaming server s configuration file For the Darwin streaming server it is called streamingserver cfg If any changes are made to the configuration file you will need to restart the streaming server to make those changes take effect Verify that the streaming server will function properly before streaming by using the sample movie file provided by the streaming server For example you can start Darwin Streaming Server and start the QuickTime player On QuickTime player select the menu item File gt Open URL and enter the URL in the following format rtsp lt the ip address of streaming server gt lt sample movie file gt If you changed the default rtsp port in the streaming server configuration file you have to specify the port in your URL like this rtsp lt ip address of streaming server gt lt port gt lt sample movie file gt For example if you have the streaming server at 10 1 1 100 using rtsp port
135. g a Usar eera aS nan Ae ENEE 95 disconnecting a user 94 QUIFALION ii dd 57 dynamic services CONNGUTN G e n e e 131 E164 terminal aliases occccccccccon 18 45 editing a conference configuration 70 editing a Conference Server s settings 25 editing user recordS ooooocccccccnnnccocononaccconcnnnns 30 enable tracking sssr 69 enabling streaming of a Conference Server Conference iieri iiia ia iiaa 123 Enabling T 120 For H 323 based conferences 37 entering a conference password 47 TIRE WAlIS are a ido decidi cd 21 gatekeeper Monitoring Activity oooooncccnnnnnicinnnncoccnnnncnns 98 gatekeeper Tuncionaltv 13 gatekeeper settings oooooicccnnnnnccinnnicccnnnnecccnnns 18 gatekeepers coccoconnccccnnonoconononacnnnnnnann nn 13 JA WAYS siisii iini iaiia aiiis 13 general user permission seeen 84 admit Dermtssion 85 admitted sender Germtssion 85 deny permission 85 normal permission 84 granting the floor ioauser 95 H 263 ANNOXES iina eiaei naa 70 H 323 conferences cncccccccccccccconononccnncnnnns 13 39 H 323 VideoSwitcher applet ooooo oo c 39 145 User Guide ak EE 10 H323 ID terminal aliases o n n 18 45 historical statistics 00nnnnnoeeeaanenenenaenna 119 hosting H 323 conterences 13 39 initializing the Conference Administrator Aatabase ecececcecceceeeeeeeeeeeteeeeeeeeeeeeeees 2
136. ger forwarded This prevents multicast packets from needlessly being forwarded to regions of the Internet that lie outside the subnets of intended participants The table below gives the recommended TTL values for a variety of distances These values are estimates since you cannot determine the exact route that data will travel on the Internet A TTL value cannot be greater than 255 or less than 1 Table Distance and TTL Values Distance Subnet Site Region Continent 27 World Ers Enabling multicast lets CUseeMe protocol clients take advantage of available IP multicast on a network without giving up any conference control features While the Conference Server routes client data streams to multicast group addresses it continues to enforce conference parameters such as max participants admit and deny lists and send and receive rates Self Reflect Root This option is available only on the Add CUseeMe Conference page To enable the self reflect mode for a conference select the Allow users to view themselves option in the Miscellaneous section of the Add Conference page The self reflect mode lets CUseeMe protocol participants test the quality of their connection to the Conference Server If you enable the self reflect mode in a conference clients that use the CUseeMe protocol see themselves listed in the Participants List of their client application They can choose to receive their own local video stream in a rem
137. he selection box on the Conferences page with the Enabled E attribute disabled This indicates that you already configured the conference and that you must enable it for client conferencing by changing the Scheduling option Limit access to scheduled time Limit access to scheduled time restricts the availability of the conference to the schedule you specified This allows you to configure the conference in advance and to make it inaccessible to clients until five minutes before the start time When the conference reaches its scheduled stop time the Conference Server disables it and disconnects any remaining participants When you select the Limit access to scheduled time option you must fill in all of the scheduling parameter fields 48 Click to Meet Conference Server User Guide Creating and Configuring Conferences The following sections provide information on creating and configuring conferences The Conferences Area You can configure all the attributes of a conference from the Conferences area of the Conference Administrator Web pages When you configure a conference you define the rules for that individual conference Before setting up a conference it is important to have a clear understanding of its requirements For instance a small interactive sales conference with remote participants has different requirements than a CEO s quarterly communication to employees at multiple sites In turn a service provider video ch
138. he time of conference creation Click Next gt to continue MeetingPlanner displays a screen with a list of the settings you chose for your conference Check to see that these settings are correct If you want to change a setting click lt Back to go to the appropriate screen If you are satisfied with the settings click Finish MeetingPlanner will create your conference Participants can begin to enter the conference five minutes before the scheduled start time Note lf you click Finish on any of the applet screens before reaching the final screen MeetingPlanner jumps you to the final screen where you need to click Finish again MeetingPlanner will create the conference based on default settings for any of the screens you did not complete In addition to adding new conferences you can edit and remove existing ones for your organization To do this log in to the Conference Server MeetingPlanner applet as a conference manager In the conference selection box that displays click on the conference you want to edit or remove Click Edit Conference or Remove Conference The Edit Conference process presents the same set of screens that you see when you add a conference Make edits as necessary and click Finish to submit your edits 118 Click to Meet Conference Server User Guide Providing Conference Server User Tools to client end users Conference Server User Tools is a simple application that installs Start menu shortcuts to Confe
139. hen you add a Conference Server to a domain you set up communication between the new server and all the other Conference Servers in the network You can manage this communication from the Administrator Web pages You must install the Conference Server and it must be operational before you can add it to a domain During installation you define server wide settings Note that a new Conference Server in a domain must reference the administrative server in the same domain For more information see the Conference Server Installation and Upgrade Guide To add a Conference Server to your Conference Server domain 1 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page displays Click the Members button The Conference Server Domain Members page displays Click the Add button The Add Domain Member page displays 4 Choose the Conference Server configuration settings See below for descriptions of each field 5 Click Submit at the bottom of the Add Domain Member page A page confirming your edits displays 6 Click Members to get back to the Domain Members page The new Conference Server displays in the domain members list on the Domain Members page The new Conference Server receives its configuration from the administrative server It can communicate with other servers about activity in the domain 7 Select Keep List Updated to update the domain mem
140. icipant is connecting Connect Time How long the participant has been connected to the conference Host Machine The Conference Server to which the participant is connected Conf ID The ID of the conference to which the participant is connected An asterisk in the G column denotes that a user has been granted the floor been given admitted sender status Admitted sender status can be granted in the Users area of Conference Server s Conference Administrator database or by granting a participant the floor from the Monitor Users page in an active conference You can sort the list of participants by any of the information categories Name IP Address Connect Time Host Machine Conference ID Granted Floor To do this click on the appropriate category header above the participant list selection box For example if you want to sort users by how long they ve been connected click the Connect Time header above the selection box Conference Server will arrange the participants in ascending order from shortest connect time to longest connect time The participant information on the Monitor Users page is current when you first access the page To keep the information updated make sure the Keep List Updated check box is selected Conference Server will update the information automatically every 90 seconds If you want an update between 90 second intervals click the Reload Netscape Navigator or Refresh Microsoft Internet Explorer button o
141. icking the Administrator Moderator Conference Manager or General User button If you choose General User you must additionally select a user type Normal Admit Deny or Admitted Sender For a description of the user permission types see Assigning Special Permissions 5 If the user that you are adding needs to access the MeetingPlanner applet select an organization name from the Organization menu You must first define the organization in the Users Organizations area of the Conference Administrator database When you select an organization the appropriate templates for that organization display in the Templates assigned to this organization box 6 From the Conference menu select a specific conference All Conferences or Unassigned This selection determines the conference or conferences for which the special permission applies Note that Administrator permission does not require that you select a conference by default it applies to all conferences Note Selecting Unassigned means that the Conference Server adds the user record but does not apply it to a conference This is handy if you want to add user records in advance of creating the conference You can go back at any time to edit the record and assign it to a conference 7 Click Add User The Conference Server adds the new record in the Conference Administrator database If you want to assign the same permission to a user for multiple conferences you must add
142. ideoconference the Conference Server T 120 server automatically creates a matching T 120 data conference for document sharing When H 323 clients using the T 120 protocol for example with Microsoft NetMeeting V2 1 try to connect to the Conference Server they first connect to the T 120 server The T 120 protocol provides a way for these users to choose a specific data conference from multiple data conferences Once the user connects to a T 120 data conference the Conference Server automatically connects the user to the corresponding videoconference For more information on Conference Server s T 120 server see Data Conferencing with the T 120 server Selecting a Conference Through the User Authentication Web Page The User Authentication Web page facilitates the routing of H 323 clients This page is useful for routing H 323 clients into specific conferences without the using the gatekeeper or a T 120 connection It also authenticates user names and passwords for conferences 46 Click to Meet Conference Server User Guide You can instruct H 323 users to connect first to the User Authentication Web page Users fill out the form on this page and specify the conference to which they want to connect They also enter the username and password for the conference When the individual user submits the form the Conference Server sends a command that associates the user with the conference When the user connects with a videoconferencing client
143. ideoconferencing clients that receive a request from Conference Server to join a conference will either connect automatically or present a dialog to the user to confirm the connection depending on how the user has the preference set in his videoconferencing client There are no restrictions on who can use the CallOut applet However if a conference is password protected the user must enter the password as part of the callout process To access Conference Server s CallOut applet launch your Web browser and connect to the following URL http lt yourserver gt 8080 cs callout html where lt yourserver gt is the IP address or the host name of the computer on which your Conference Server Conference Administrator Web pages are installed For example you could enter the URL using either of the following formats http 100 1 1 1 8080 cs callout html http events radvision com 8080 cs callout html Conference Server s CallOut launch page displays in your Web browser window and 106 Click to Meet Conference Server User Guide automatically loads the CallOut Java applet Note End users can access the CallOut applet through a Start menu shortcut if they install the Conference Server User Tools application For more information see Providing Conference Server User Tools to Client End Users 1 You need to keep the CallOut applet launch page active while using the applet However you can minimize the browser window if you choose
144. ii 119 US SS ees Eege eu danna einai ee Dong 83 elole Talo cti lili 28 83 COPYING ici 31 denya 83 CISCONNECTING c cccccconoccccnonancncnanancncnanancncnnnno 83 AM id 30 granting Hoor fo 83 managing organizations eeeeeeeeeeea 27 revoking floor from n se 83 USOrS Al OA isa a na 82 using and accessing the monitoring area as a moderator ee 91 using Conference Server s CallOut applet 106 using Conference Server s Continuous Presence Mode applet 102 using Conference Server s H 323 VideoSwitcher applet seesseesse esenee 104 using MeetingPlanner with conference manager permission oooocccccccnncnnccnaconcnnno 114 147 User Guide using MeetingPlanner with general user Dermmission iiei ana ken aa 112 using the Monitoring area as an gl using the SDP oage 130 VIGGO ee O EEN 10 video CODECS c cccccooocccccononcccnananincnananos 39 58 64 Cornell CuseeMe Gray cocoococinococanccccancccnn 64 CUseeMe Networks Color ooooooociicncinccc 64 CUseeMe Networks MPEG 64 ote ieahetacenecea 39 58 e RTE 39 58 H261 ClF iaa ai 39 58 eh e it ls 58 H263 Aner E 64 H263 Annex Pi 64 HEI CI a 58 ee Hee 58 JEE EE ege ege 58 video source SOM td 97 Video SWITCHING ieri a 39 Videoconferencing Server nusse 10 viewing available conferences 49 what is Conference Server l es 10 whteboardumg dieiiiueee aaa EAA 12 Wide Area Network WAN 37 43 working with Conference Server s historical SUA
145. ime The documentation for the Conference Server includes e Conference Server User Guide e Conference Server Telnet Guide e Conference Server Installation and Upgrade Guide e Release Notes e Whats New To be sure that you have the latest information please visit the documentation section of the RADVISION Web site at http support clicktomeet com Log Out Button The Log Out button provides additional security When you finish using the Conference Server navigate to the entry page and click the Log Out button to end your browser session When you finish a session by logging out no other user can access the Conference Administrator Web pages from your system As an added security mechanism the Conference Server times out browser sessions after a two hour period of inactivity You can avoid time outs by leaving your browser connected to a page that does automatic updates In this case the session remains open indefinitely The pages that do automatic updates are e Conferences page top level e Conference Server Domain Members page in the Network area e Monitor Users page in the Monitoring area If you forget to log out when you leave the Conference Server interface you can get back in as part of the previous session any time within the two hour limit You can then click the Log Out button to end the session The Log Display Window The Log Display window shows the Conference Server configuration file at startup It also record
146. ing 3 0 effectively The configuration below disables the CNP header CNP UseHeader 0 5 Save changes to the T120 cfg file 6 Restart the Conference Server Note As with all other features that you configure through the T 120 configuration file you must restart the T 120 server before the new setting takes effect T 120 Throughput Enforcement The current T 120 flow control mechanism regulates the data rate in a conference to match the rate of the slowest receiver This ensures that no two receivers in a conference are too far out of synchronicity This is important for application sharing in conferences One disadvantage of the flow control mechanism is that it is possible for one bad receiver to stop the data flow in the conference In order to address this issue the Conference Server uses T 120 throughput enforcement The Conference Server throughput enforcement works with throughput enforcement intervals rather than throughput enforcement rates You define throughput enforcement intervals in seconds one interval for connections to clients and another for connections to other Conference Servers You can set both intervals in the T 120 configuration file The intervals can range from 0 to 600 seconds In a typical throughput enforcement scenario a sluggish client or a subordinate Conference Server stops accepting T 120 data due to network congestion or inadequate bandwidth When the client stops accepting data the Conference
147. ing clients that use H 323 standards can participate in multipoint conferences The Conference Server provides much of the server based control for H 323 capable clients in the same way that it does for CU Web CuseeMe Pro or the Click to Meet Conference Client These features include security and authentication client access control conference administration and monitoring services for multimedia group interaction With the Conference Server the H 323 standard is a conference attribute just like audio video and chat When you enable the H 323 attribute in the conference configuration H 323 clients can connect and participate in the conference There are however some inherent limitations on how H 323 clients can participate in multipoint conferences This is due in part to the fact that engineers designed most H 323 clients for person to person videoconferencing rather than group videoconferencing The Conference Server adjusts for this by performing some special functions behind the scenes Receiving video and audio When you enable the H 323 protocol in a conference you must also specify the H 323 audio and video codecs The H 323 standard specifies H 261 and H 263 codecs for video and G 711 and G 723 1 codecs for audio in addition to others If you do not specifically choose certain codecs the Conference Server automatically sets the required audio codec to G 711 m Law 64 Kbps and the required video codec to H 261 CIF Not al
148. ingPlanner sends the email invitation when you create the conference Click Next to continue The MeetingPlanner displays a screen with a list of the settings you can chose for your conference lf you want to change a setting click Back until you reach the screen that you want When you are satisfied with the settings click Finish The MeetingPlanner creates your conference and closes the applet It then launches the User Authentication Web page If you are connecting with an H 323 client select the check box labeled am using an H 323 compatible client on the User Authentication Web page Click Authenticate The Conference Server displays a Web page with the IP address of the server hosting your videoconference Close the User Authentication Web page and connect to the specified server with your videoconferencing client Option This conference is password protected 7 In the Password field enter a password for your conference Enter it again in the Verify field To include the password in the email invitation for the conference select Append password to the URL of outgoing e mails Click Next to continue In the E mail field enter an email address to which you want to send an invitation Click Add New The MeetingPlanner adds the email address to the Invited Users list Repeat this step for each person you want to invite up to the maximum number of participants allowed in the conference DIER Click to Meet Conference Serv
149. ions and enter data into the text fields marked as required If no information 130 Click to Meet Conference Server User Guide is entered the file will be built e Fill in the session text box This is the file name to be created Make sure to use sdp as the file extension If you create the same file twice the first file will be overwritten Select a different file name if you want a separate file e Fill In the following text fields e session user enter the name of the user e session id enter a unique session id for each sessions running e session ip enter the IP address of the Conference Server e connection ip enter the IP address of the streaming server e name enter the name of the session e Double check the time format Use the default value as a reference It the stop_time is zero then this session is not time bound The session will continue until is manually Port enter the port number if it has been changed from the default value in Conference Server streaming e After completing the required fields click the build button A confirmation page will display that will state that the SDP file is being saved to the movie folder or an error page will display requiring you to re enter the some of the data You may either logout or return to the main page Login and Logout To use the SDP page you have to login as an administrator The default users are Admin and tomcat If you want another user group to use th
150. irection In both cases if the parameter values are out of range the default values are assumed To configure the T 120 throughput enforcement interval 1 Shut down the Conference Server 2 With a text editor open the T120 cfg file in the Conference Server install directory 3 Find the following information MCSDomain minThroughputInterval minSuperiorThroughputInterval To set the throughput enforcement interval you must change these values Note that the interval minThroughputInterval takes a value between 0 and 600 seconds If it is set to 0 throughput enforcement is disabled For example the following will set the interval for all connections to terminals to 30 seconds and for connections to superior MCUs to 5 minutes 300 seconds MCSDomain minThroughput Interval 30 minSuperiorThroughputInterval 300 4 Save changes to the T120 cfg file 5 Restart the Conference Server Querying Status of T 120 Security If you enable the T 120 security feature all T 120 enabled conferences display an character in the attributes on the Conferences page You can view conference attributes using the telnet conf command or the t120 encryption command The following is an example of the conf command output Conference Server jking gt conf 1 ACVWEY 0 0 test Conference Server jking gt Joining a T 120 Conference If you enableT 120 security NetMeeting requires that you call into the Conference Server using only the T
151. is saves the layout on the administrative server as a template You can apply any layout that you save as a template However you must create the layout and save it in the Network area The Save button does not display in the layout applet toolbar in the Conferences area Editing an Existing Template To edit an existing template 1 7 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page appears Click the Layouts button on the Network page The Define Conference Server Layout Template page displays Click the Load button in the layout applet toolbar The Open a layout applet window displays From the drop down menu select the template you want to edit Click OK The template loads in the mapping area where you can view ts details and edit its configuration When you finish changing the template click Apply This saves the changes to the template Click OK You must edit templates from the Network area The Conference Server applies the changes you make in the layout applet to the conference but does not save them to the template itself To edit a template permanently you must use the layout applet in the Network area From the Open a layout window you can also choose to create a new layout If you select this option and click OK the mapping area is cleared Deleting an Existing Template To delete a template from the serve
152. isplay a message before Conference Server sends video 125 Using QuickTime Streaming on the Conference Gerver 125 BI lee EIERE 127 SDP Creation Tool iii a el eM iaioe 129 InstallatlOn viaria dated nen RRA apne eel Ae iaa 129 Using the SDP Page citada 130 eelere ee EE 131 Using SNMP with the Conference Server cnccicccnnccconoccnonoccconcccnnnnnnnonnnnnn cnn nc cnn rana cnn cnn 131 Where is the service Configuration le 131 How do you modify the service configuration file ceeceeeeeeeeeeeeeeeeeeeeseeeeeeeeeseaeeeeeeetsaeeneeeeeaas 131 SNMP SUPPO gege Mee torres olle ico ee eg eessen 132 Configuring the SNMP Agent from a Windows Gvstem 132 Configuring the SNMP Agent from a Unix System conc n corn nann cnc 132 The SNMPD cont file cocinas di Ba ee 133 Using SOAP with the Conference Server cccccccceeeeeeeeeceeeeeceeeeeeaeeeeaeeseeeeeseaeeeecaeeneneeeeaes 134 Working with Conference Server s Historical Gtatetlce 137 Simple Cascading WEE 138 Setting Up SimplE Cascadingi ieccinio iaa iaa aeae eea iaa arana erae 139 What if there are two servers registered to the same oatekeener 140 CORPORATE WEBSITE coin das 141 TEGHNIGAL EECH 141 Click to Meet Conference Server User Guide Click to Meet Conference Server User Guide Before You Begin RADVISION frequently updates the Click to Meet Conference Server documentation Please visit the documentation section of our Web site at http support clicktomeet com Download the latest
153. ite http support clicktomeet com Third party Licensing LICENSE ISSUES The OpenSSL toolkit stays under a dual license i e both the conditions of the OpenSSL License and the original SSLeay license apply to the toolkit See below for the actual license texts Actually both licenses are BSD style Open Source licenses In case of any license issues related to OpenSSL please contact openssl core openssl org OpenSSL License Copyright c 1998 2005 The OpenSSL Project All rights reserved Redistribution and use in source and binary forms with or without modification are permitted provided that the following conditions are met 1 Redistributions of source code must retain the above copyright notice this list of conditions and the following disclaimer 2 Redistributions in binary form must reproduce the above copyright notice this list of conditions and the following disclaimer in the documentation and or other materials provided with the distribution software must display the following acknowledgment This product includes software developed by the OpenSSL Project 3 All advertising materials mentioning features or use of this for use in the OpenSSL Toolkit http www openssl org 141 Click to Meet Conference Server User Guide 4 The names OpenSSL Toolkit and OpenSSL Project must not be used to endorse or promote products derived from this software without prior written permission
154. ith the T 120 protocol User Authentication The following section provides information on user authentication Conference Server Authentication If you select the Conference Server authentication option users must be authenticated through the Conference Server user database before they can connect to the conference You can choose IP based and Username Password authentication IP Based Authentication With IP based authentication users connect directly with their client conferencing application to your conference No user can connect to the conference without a user record in the Conference Administrator database The user record must specify the user s 62 Click to Meet Conference Server User Guide IP address and assign General User Admit permission for the conference see Assigning Special Permission The Conference Server checks that the user s IP address is on the admit list for that conference While this process is transparent to the user it does require that the user have a static IP address You must enter the static IP address in the user s database record for the conference along with the admit permission Username Password Authentication With Username Password authentication users connect to the User Authentication Web page with a browser before connecting to the conference with an endpoint or conferencing application This allows you to authenticate users through the user database without requiring an IP addres
155. ixed audio from multiple conference participants View amp Listen Select a name from the Participant list and click the View amp Listen button The video in your remote window switches to the selected participant and you receive audio only from the selected participant rather than mixed audio from multiple conference participants Help Select the Help button to view a window with some brief instructions on using the H 323 VideoSwitcher applet Mute 105 Click to Meet Conference Server User Guide Select the Mute check box to mute your outgoing audio stream Auto Update Select the Auto Update check box to instruct the H 323 VideoSwitcher applet to automatically update its Participant s list every 90 seconds The Participant list displays names of connected participants based on user names defined in the client applications Additionally it places a small arrow sign gt in front of the names of participants who have selected your video to view overriding default video switching for the conference A status line displays beneath the Participant list indicating the name of the participant whose video you are currently watching Note e You need to keep the H 323 VideoSwitcher Web page active while using the H 323 VideoSwitcher applet However you can minimize the browser window if you choose e f you exit the applet but keep the H 323 VideoSwitcher Web page active in your browser window you can restart the apple
156. ization 3 Click Yes to remove the organization record and return to the Organizations page Click No to cancel and return to the Organization page Initializing the Conference Administrator Database The Conference Server allows you to clear the Conference Administrator database of all user and organization records Initializing the database leaves only a default administrator account allowing you to start with a clean user database Note RADVISION strong recommends that you backup the Conference Administrator database before initializing it To initialize the Conference Administrator database 1 Click the Users icon on the Conference Server entry page You can also click the Users icon in the main navigation bar The User Menu page displays 2 Click the Initialize button on the User Menu page The Initialize User Database page displays 3 A prompt displays to confirm that you want to clear the database of all existing user and organization records Click Yes to initialize the file Click No to cancel If you initialize the user database the Conference Server reverts to its default settings Username Administrator Password changeme RADVISION recommends that you customize this default administrator record again to maintain security Backing up the Conference Administrator Database The Conference Server allows you to create a backup copy of the user records in your Conference Administrator database It is a good precautiona
157. ization eco 110 Create a Conference Manager User PHecord nenn 110 Meeting lanme ersinnen n a A O denia 111 Using MeetingPlanner with General User Gemtsslon narcos 112 Option This conference is open tO evervone ooooococcccocccconccnnncnnancnnnncnnnnnnnnn cn nn nn nan cn nan na ran cnnnnncns Option This conference is password protected Using MeetingPlanner with Conference Manager Dermiselon 114 Option This conference is open to everyone ccocccinccccoccconnononcnnancnnnncnnnn cn non nn nan cnn nccnnncnnnncanns 116 Option This conference is password protected ooooncccincccnocccconccnonccnonccnnnnananccnnncnnnn nc nnn ca nancnnns 116 Option This conference is limited to specific participants oooonoconnicicnccinnccnonccnncccnarcnnnrccnnncnnn 117 Providing Conference Server User Tools to client end users oocococncccinicccnccononcconannnanccnancn 119 else Ee 119 Bee E EE 119 Log Intervalo aiii 119 Line Mio it A A ee AA 119 Backup Wu CEET 120 Interfacing with Third Party Billing Gvetemz 120 Understanding Conference Server s Billing Architecture 120 Session RE E EE dine eee Ae aie dei 121 User Authentication tc eit eee lin ee seed teil eee 122 Defining Your RADIUS EE 122 Enabling Streaming Media 123 Enable the Streaming of a Conference Server Conference ccccceeseeeeeeneeeeeseaeeeeesseeessneeees 123 Additional Information on Installing Conference Server s Streaming Drivers 124 Now issue the stream media commande 124 D
158. k Grant Floor Generally you use the Grant Floor button in a conference configured with Broadcast and Allow audience to interact with sender settings enabled For example a content provider may cybercast a celebrity interview over the Internet The conference is configured so that only two data streams are seen by the audience that of the celebrity and that of the interviewer This is achieved by the following Enabling Broadcast and Allow audience to interact with sender settings in the conference configuration Creating a user record for the interviewer assigning the Moderator permission Creating a user record for the celebrity assigning General User Admitted Sender status or having the interviewer Moderator grant the floor to his media stream and that of the celebrity during the conference Later the interviewer as Moderator opens up the conference to questions from the audience by granting the floor to selected audience members As the selected audience members asks questions of the celebrity they can be seen and heard by other audience members Note In order for Grant Floor or Revoke Floor to work the conference must be configured so that participants cannot send audio video or chat unless they have admitted sender status You can achieve this for a conference in three different ways They are e Enabling the Broadcast setting in the conference configuration e Enabling the Broadcast and Allow audience to
159. l H 323 enabled clients support all H 323 audio and video codecs If an H 323 client connects to an H 323 conference that requires a codec that it does not support the client can stay in the conference but cannot send or receive the data stream audio or video for which it does not have the required codec For more information see Preferred Required Codecs Note The G 723 1 codec is also referred to as the G 723 codec As previously noted engineers designed most H 323 clients for person to person videoconferencing as opposed to group videoconferencing As a result most H 323 users have no standard way within their client applications to choose which participant to view ina conference However the Conference Server provides the following ways to control the distribution of video to H 323 clients e Default video switching based on audio detection 39 Click to Meet Conference Server User Guide e H 323 VideoSwitcher Applet e Continuous Presence Mode option e Time based switching Default video switching By default the Conference Server uses audio to determine the video stream that H 323 participants receive For example if Participant A is speaking H 323 participants see the video of Participant A in the remote video window of the client application The Conference Server also performs audio mixing of H 323 audio streams If more than one participant speaks at a time the Conference Server uses an advanced audio algorithm to dete
160. l time based on that computer s system clock to the Universal Time Coordinated UTC formerly called Greenwich Mean Time GMT UTC is a world standard consisting of 24 time zones By translating the time to UTC Conference Server will start the conference at the correct time on every server hosting the conference even if those servers are located in several different time zones e Duration Specifies how long a scheduled conference will last You specify the duration in hours and minutes with a minimum duration of 1 hour 1 00 anda maximum duration of 24 hours 24 00 When the duration of a conference is complete Conference Server automatically disables the conference and disconnects any remaining participants If you select Never as your repeat option Conference Server will delete the conference after the specified duration e Repeat Conference Specifies whether Conference Server will automatically repeat a scheduled conference daily weekly monthly or never the default is Never Conference Server adjusts the start date of the conference by the required interval after each occurrence of the conference and enables the conference again at the specified interval If you select Never Conference Server deletes the conference The Monthly repeat option repeats a conference on the same day of a particular week in subsequent months For example if you specify August 1 2000 first Tuesday of August as the start date of a conference wi
161. led conference This includes H 323 enabled and white board enabled conferences 4 Select User s Select one or more users The list of names in the box is derived from user records that have been assigned to the selected conference in the Conference Administrator database Each user record must specify first and or last name IP address and conference ID in order to display in the Select User s box of the CallOut applet If no user records have been assigned to the conference the Select User s box will be empty The Enter IP address or alias field allows you to specify users that do not display in the Select User s box To do this enter the IP address or alias of the user to whom you want Conference Server to issue a callout Aliases can be in either of the following two types e H323 ID An H323 ID alias takes the syntax NAME lt id gt where lt id gt is a sequence of alphanumeric characters up to 128 characters in length For example NAME jsmith H323 ID aliases are used to call H 323 endpoints 107 Click to Meet Conference Server User Guide 6 Note H323 ID aliases apply to H 323 T 120 and SIP callouts E164 An E164 alias takes the syntax TEL lt number gt where lt number gt can be any sequence of numeric characters 0 9 number signs asterisks and commas up to 128 characters in length For example TEL 5551234 E164 aliases are generally used when calling from a LAN through a gateway
162. liases that Conference Server creates To customize an H323 ID terminal alias you can do either of the following e When you add or edit a domain member in the Network area specify the domain name where the Conference Server resides The Conference Server uses that name instead of the server host name to create H323 ID terminal aliases for its conferences e When you add or edit a conference in the Conferences area specify a conference nickname The conference nickname replaces the portion of the terminal alias that appears before the sign For example if you choose training as the nickname for Conference 12 on host california the H323 ID terminal alias is training california H 323 users enter this alias to join Conference 12 on the Conference Server 45 Click to Meet Conference Server User Guide E 164 Terminal Alias H 320 endpoints use a numeric E 164 terminal alias to specify which conference to connect to through a gateway gatekeeper The Conference Server creates E 164 terminal aliases using the following syntax lt E 164 Numeric Prefix gt lt Conference ID padded to 5 digits gt When you add or edit a domain member in the Network area the Conference Server allows you to specify an E 164 prefix If you do not specify one the Conference Server assigns a default E 164 prefix using the last two octets of the IP address of the system on which the Conference Server is located An IP address is made up of four gr
163. lledDir gt lt YourMachineName gt You can edit the configuration file to meet your needs Note that if you have another SNMP service running on the same system you have to stop the other service before you can start the Conference Server service Configuring the SNMP Agent from a Unix System The Conference Server installation wizard installs the SNMP agent snmpa by default On Unix systems the SNMP agent is a daemon program Use the following commands with the snmpd agent e To start the agent etc init d snmpd start e To stop the agent etc init d snmpd stop e To restart the agent etc init d snmpd restart The configuration file snmpd conf is located at lt InstallDir gt lt HostName gt directory You can edit the configuration file to meet your needs Note that if you have another SNMP agent daemon running on the same system you have to stop the other before you can start Conference Server s 132 Click to Meet Conference Server User Guide The SNMPD conf file The snmpd conf is the default configuration file for the SNMP agent The following paragraph shows the most important sections of the configuration file The file is also well annotated with many commented out examples The following sections are related to change the access control e Community section Maps the community name COMMUNITY to a security name local or other depending on where the request comes from le Bec name
164. media command Conference Server attempts to connect to the IP address specified in the command and route the live conference media streams to the audio and video drivers These drivers function like true audio record and video capture drivers They receive audio video from Conference Server decode it and forward it to the streaming media encoding application when requested 124 Click to Meet Conference Server User Guide Display a message before Conference Server sends video The streaming video driver can display a pre connection message lt requires low bandwidth and can be useful for the following e An indication that there is no video data reaching the driver e Away to pass relevant information to the viewers for example you can send messages such as Company quarterly meeting or Staff meeting will start at 11 00am EST e Away to set up streaming before the conference starts without depending on the conference clients and server depending on what application you choose streaming setup may take some time You may want to send a message before the conference data is available When you see the message displayed correctly it means that the whole streaming path is ready When the conference data is sent the message automatically goes away Note that the default pre connection message is an empty string nothing is displayed To create a message in Windows NT 4 0 Open the Control Panel from the Start Menu Open the
165. mlsoap org soap encoding namespace http www clicktomeet com server use literal gt lt input gt lt output gt lt soap body encodingStyle http schemas xmlsoap org soap encoding namespace http www clicktomeet com server use literal gt lt output gt lt operation gt lt binding gt lt binding name ClientSOAPBinding type tns Client gt lt soap binding style rpc transport http schemas xmlsoap org soap http gt lt operation name onTelnetEvent gt lt soap operation soapAction http www clicktomeet com server onTelnetEvent style rpc gt lt input gt lt soap body 135 Click to Meet Conference Server User Guide encodingStyle http schemas xmlsoap org soap encoding namespace http www clicktomeet com server use literal gt lt input gt lt output gt lt soap body encodingStyle http schemas xmlsoap org soap encoding namespace http www clicktomeet com server use literal gt lt output gt lt operation gt lt binding gt lt service name ClickToMeetSoapTelnet gt lt port binding tns ServerSOAPBinding name Server gt lt soap address location http localhost 10080 clicktomeet 7 4 server gt lt port gt lt port binding tns ClientSOAPBinding name Client gt lt soap address location http localhost 10081 clicktomeet 7 4 client gt lt port gt lt service gt lt types gt lt s
166. mote Gatekeeper IP Specify the location of the third party gatekeeper Use the server IP address in standard dot notation e Remote Gatekeeper Port The H 323 standard specifies port number 1719 as the standard port for H 323 gatekeepers You can leave this field empty unless you configured the third party gatekeeper to listen for RAS messaging on a different UDP port e Remote Gatekeeper ID Specify the ID of the third party gatekeeper Removing a Conference Server from the Domain To remove a Conference Server from the domain 1 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page displays Click the Members The Conference Server Domain Members page displays From the selection box select the domain member that you want to remove PY KN Click the Remove button The Confirm Conference Server Removal window displays 5 Click Remove This server no longer displays in the list of domain members It does not participate in domain wide communications You can add the server back into the domain at any time through the Add Domain Member page Note Removing a Conference Server from the domain does not uninstall it Shutting Down the Conference Server To stop or shut down a Conference Server in the domain 1 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The
167. n 15 the multicast router does not forward data streams beyond your LAN The recommended TTL values in the table are estimates since you cannot determine the exact route of data on the Internet You can specify a TTL value only if the data streams travel from a Conference Server to a multicast group address If a Conference Server receives data streams from a multicast group address but does not send data streams back to that address you do not need to enter a TTL value The TTL field in the Add a Multicast IP window is the TTL for all links connected to this multicast IP address All servers that you link to this multicast address take this TTL value To change the TTL value click the Selection Tool and then double click the multicast icon you want to edit An applet window displays that allows you to edit the multicast group address parameters including the TTL If you want the TTL value of the multicast group address to display in the mapping area click Display TTL Creating a Uni Directional or Bi Directional Link 1 Click the Uni Directional Link Tool or the Bi Directional Link Tool in the layout applet toolbar Select a Conference Server icon in the mapping area Click the icon and drag your mouse to another Conference Server icon or to a multicast icon A green line with an arrow at one or both ends signifying a one way or two way link displays between the two icons 4 Repeat Step 8 to define the links between each of the Confer
168. n on the Add Conference page all users must log in with a browser through the User Authentication Web page before connecting to the conference with their videoconferencing client When a user submits an authentication request Conference Servers user database file is queried to see whether the user is allowed to participate in the conference Note It is an unnecessary step to have CUseeMe protocol users log in through the User Authentication Web page if Conference Server IP based authentication is being used Conference Server will authenticate these users automatically when they connect to the conference with their client application However H 323 clients still benefit from the User Authentication page even with Conference Server IP based authentication The page serves to route H 323 clients to a specified conference on your Conference Server Users must specify Username Password and Conference ID RADIUS If RADIUS authentication is specified under User Authentication on the Add Conference page all users must log in with a browser through the User Authentication Web page before connecting to the conference with a videoconferencing client Conference Server queries a third party RADIUS server for user authentication Only users authenticated by that system can connect to the conference Users must specify Username Password and Conference ID in the User Authentication Web page For more information see Interfacing with third party billing s
169. n the Conference Server Telnet Guide e Bandwidth Control Endpoints send requests for network bandwidth to the gatekeeper The gatekeeper grants or denies these requests based on the sum of send and receive rates for the conference or for the Conference Server whichever is less Bandwidth management through a third party gatekeeper is advisory only A third party gatekeeper cannot prevent an H 323 client from connecting to a conference based on aggregate bandwidth allocation for the zone Clients must conform to the Conference Server bandwidth restrictions in order to connect to a conference e Zone Management A gatekeeper is required to provide address translation admissions control and bandwidth control to all endpoints that register with it The network administrator defines the rules under which endpoints can register with a gatekeeper The Conference Server local gatekeeper allows administrators to specify IP addresses or subnets from which the gatekeeper does not accept registration requests You can specify whether Conference Server uses the services of its local gatekeeper or those of a third party gatekeeper In the Network area of Conference Administrator Web pages you can add a new domain member or edit the settings of an existing one You can specify gatekeeper functionality for each Conference Server in your domain For more information see Gatekeeper Settings 14 Click to Meet Conference Server User Guide Getting St
170. n your browser Below the participant selection box is a User Attributes key not shown If you click a participant s name in the selection box Conference Server displays the following attributes for that user in the User Attributes key 93 Click to Meet Conference Server User Guide Can Send Audio Displays whether the participant is able to send audio Can Receive Audio Displays whether the participant is able to receive audio Is Sending Video Displays whether the participant is sending a video image Granted Floor Displays whether the participant has been granted the floor been given admitted sender status Admitted sender status can be granted in the Users area of Conference Server s Conference Administrator database or by granting a participant the floor from the Monitor Users page in an active conference Note e Asan Administrator you can choose to monitor all conferences simultaneously To do this choose All Conferences from the selection box on the Monitoring page then click Monitor Users Moderators can only monitor all conferences if they have been assigned this permission specifically in the user database e The participant selection box displays all participants connected to a selected conference across all servers both inside and outside your Conference Server domain However you will not be able to apply an action Deny Disconnect Grant Floor Revoke Floor to any participants that are connected to the
171. nananccinn 120 144 User Guide broadcast mode 54 CallOut Applet AA 47 Clearing video source 83 ele cusco aa ee 39 Hl Asses et elk 39 VIGGO i e does td ra tdi 39 Conference Administrator database CO PINING DE 26 conference alases 65 conference attributes snsseeeeneeeeee 53 conference greeting 53 conference ID 52 conference Manager permission 84 conference name 53 conference owner Information 56 conference password coccoconococcccccnccnnannos 47 57 conference Server authentication 62 Conference Server foOl 73 74 Conference Server s User Authentication Web Pita recia fenweaventedtdunnete ces 87 conferences are 49 configuring dynamic Services see 131 configuring T 120 based conferences 37 Continuous Presence Mode snsassenaaeneaa 10 copying a conference configuration 71 copying user recordS ssssesseserensssesrrrr neee 31 creating a Conference Server layout template EEN 79 creating an SDP le 127 CUCS CU ita 120 CUOS e at ee A 16 elle EE 120 ei De 119 CUseeMe Web 10 customizing the User Authentication Web Re EE 90 Click to Meet Conference Server data collaboration for non H 323 based Conference 62 data conferencing with Conference Server s TADO SOME foie niet teeth ieee ates 32 default conference rouig 47 defining a server layout for your conference 74 defining your RADIUS server s es 122 denyin
172. nce Server 21 NM Picas enee Eeer 132 e EE 134 SLU EA Ca 57 stat ME est sEie deet ege Deene Eed 57 AE oiii ierit i E AEREE 70 streaming media cooocccccnnnccccnnnaccconnnanccnnnnanccnnns 10 synchronizing Conference Server domain Members es aerae aa eet aida dented 24 T 120 For H 323 based conferences 6 0 37 For non H323 based conferences 38 1 120 CONFIQUATION He 33 Ts 120 Seis 12 32 46 LA etandard 1 cee alder 12 T 120 throughput enforcement seeeseeee 35 TOP Portilla 37 technical support 141 template conference aren 56 terminal alaees 18 45 S ENEA TAEAE EE EETA 18 45 elt Dior ias 18 45 terminals EE 13 third party billing systems s s s 120 Through a gatekeeper 45 Through default conference routing 47 Click to Meet Conference Server Through the H 323 CallOut applet 47 Through the T 120 based server 46 Through the User Authentication Web page 46 time limits coi id 62 time to live TT 68 top provider oo 73 74 UDP port ENEE a 37 understanding Conference Server s billing architecture cccooconcccccccccccnnnananoncncconcnnnnnn nos 120 understanding the T 120 standard 12 understanding unicast and multicast 66 UNICAST owas ead nui nar mates 43 66 unidirectional link Tool 73 74 User Authenication Web Page 46 120 user authentication ooconnnnnco 62 90 120 user identifier fields A 29 USO S
173. nce hear the same audio Network devices the Conference Server and the sending and receiving client endpoints introduce audio latency all along the call path The Conference Server does not always receive audio packets in a continuous stream Audio jitter is the term for variation in the arrival time of audio packets Before mixing the audio it receives in an H 323 conference the Conference Server builds in a certain amount of latency in the form of stored audio frames By storing audio frames the Conference Server maintains a continuous stream to receiving clients Without enough latency receiving clients experience gaps in the audio With too much latency audio becomes out of sync with the video The Conference Administrator Web pages provide audio latency settings optimized for LAN WAN and Internet environments In a mixed environment where clients are connecting to a conference over different kinds of networks it is preferable to set the latency value to suit the clients with the better connection The Conference Server increases the amount of latency as necessary to accommodate jitter from clients with lesser connections To specify an audio latency setting for your H 323 conference select LAN WAN or Modem in the Latency Setting section of the Add Conference page Conference Aliases This option is available only on the Add H 323 Conference page If you configure the Conference Server to use an H 323 gatekeeper you can spe
174. ne appears in the Available Participants list Select a user from the Available Participants list and click Invite gt gt MeetingPlanner will move the name from the Available Participants list to the Invited Participants list Repeat this step for each user you want to attend your videoconference If you want MeetingPlanner to send out e mail invitations for the conference to the intended participants select the check box labeled e mail Invitation Note If your Conference Server administrator did not define an e mail server for outgoing messages the check box labeled E mail Invitation will be hidden and the screen described in the following step will not display The MeetingPlanner applet will take you instead to the final screen described in Step 11 If you click a user name in the Available Participants or Invited Participants lists the following information for that user will display in the Participant Info box last name first name and e mail address This is for information purposes only you cannot edit this text If you want to edit user information select the user name and click Edit Click Next gt to continue MeetingPlanner displays the default invitation message that will be sent to the participants you specified in the previous step Review the message and modify it in the text box as desired Note MeetingPlanner e mail notification is sent only ONCE even for scheduled or repeat conferences The e mail is sent at t
175. nference This is useful if you have a busy Conference Server and want to allow as many participants as possible to have access to it You can set the following limits Disconnect participants after The amount of time in minutes that participants can remain connected to a conference The default is O indicating no time limit for the conference Time limit disconnect time The amount of time in minutes before participants can reconnect to a conference from which they were disconnected after reaching the time limit Restrict Participant Message The message that the Conference Server displays to CUseeMe protocol participants This message indicates that the participant reached the conference time limit and can re connect after the specified disconnect period x time limit disconnect time For example Your allotted time in the conference has expired You may connect again in x minutes Data Collaboration for Non H 323 Conferences This option is available only on the Add CUseeMe Conference page Select the Enable Data Collaboration server option to create and start a matching T 120 data conference for a non H 323 videoconference The T 120 data conference provides server based document sharing for CUseeMe protocol participants version 3 0 or later ina CUseeMe protocol only videoconference You can also use the Enable Data Collaboration server option to create a data only conference for H 323 protocol clients that connect w
176. nference Server T 120 Gernver occocinnccconocococcnoconnnononnnnnnnonnnnnns 32 About T 1 20 Transport Secured tad 32 EIERE EEN 33 BIER ne 33 The 1 120 Configuration File 33 Enabling the T 120 Security Feature nn conc n cnn cnn nn nn nnnn cnn rca n arrancan 34 T 120 Throughput Enforcement ooooccccnnnoccccnnnoncccnnnonccnno nono a rca 35 Querying Status Of T 120 Security hi a a a a E E 36 elle E BESTEET 36 Inviting a User into a T 120 Conference 36 Linking ENEE 37 The User Authentication Page and 120 37 Gontig ringT 1 20 Conferences ici a a a E a a a a aa ai 37 Enabling T 120 for H 323 conterences AA 37 Enabling T 120 for non H 323 conterences A 38 H 323 and the epes geet 39 Hosting H 323 Conferences c oooconcccicccconocononocnnonncononccn nn 39 Receiving videoand EI e DEE 39 Defaut VideO SWE O r te dados ed ido es Sie 40 The 323 VideoSwitcher el EE 40 The Continuous Presence Mode Option 40 Time based Witch a 41 Managing Bandwidth with the Conference Gerver 42 Automatic Bandwidth Controls ooooocccnnnoccconononcconononcnonononcnnnonnnnnnnno nn nnnnnn nr rn naar nn rn nnnn nn rn nana nnnnns 42 Automatic Bandwidth Detection 42 Automatic Bandwidth Pruning s 2 ecczcecstccscesensesegenag ennea aa aai aoaaa rae eA aep Eea aiea Ei iaa iaiia krienas 42 Mangal Bandwidth Controls sensin i ada 42 Setting Conference Specific Limits A 43 Setting acid 43 Setting up Multiple Server Conferences oocomcinncccnnicnoccccnonnnnnann
177. nference Server entry page You can also click the Users icon in the main navigation bar The User Menu page displays Click the Search button The Search User Database page displays Enter the search criteria and click Search The Select User Record page displays with the results Select the user record you want and click Copy The Copy User page displays Enter your edits and click Copy User The Conference Server adds a new record with your changes and then displays the Search User Database page Note When you copy a user record you must at least change the Username or Conference field If you try to submit a user record that has the same Username and Conference as an existing record the Conference Server considers it a duplicate You must change the record or cancel the submission Removing User Records from the Conference Administrator Database To remove a user record from the Conference Administrator database 1 Click the Users icon on the Conference Server entry page You can also click the Users icon in the main navigation bar The User Menu page displays Click the Search button The Search User Database page displays Enter the search criteria and click Search The Select User Record page displays with the results 4 Select the user record you want and click Remove Selected The Remove User Record page displays with a confirmation that you want to remove the selected user record 5 Click Yes Conference Server remo
178. nferencing client Using MeetingPlanner with Conference Manager permission When you log in to the MeetingPlanner applet as a conference manager the applet displays a screen with a conference selection box and buttons to add edit or remove a conference To create a conference follow these steps aes Access Conference Server MeetingPlanner Web page The MeetingPlanner Java applet loads Enter your username and password in the MeetingPlanner log in screen and click Login Note Your Conference Server administrator can provide you with a username and password for the MeetingPlanner applet MeetingPlanner displays a screen with a conference list showing Conference Name Conference ID and the following buttons Add Conference Edit Conference Remove Conference Refresh List and Exit The conference selection box displays a list of all the conferences that have been created by users assigned to your organization by your Conference Server administrator If you are the first user from your organization to access the MeetingPlanner applet the conference selection box will be empty Click Add Conference The Add Conference wizard displays Enter a name for your conference in the Conference Name field You can also add an optional text message in the Conference Greeting field This message will display to users when they first connect to the conference H 323 users will not see this message The Conference Greeting is limited to 918 cha
179. ng items ConfDir This is the directory of the streaming server configuration file see below ConfigFile This is the file name of the streaming server configuration file Default streamingserver cfg MovieFolder This is the directory name of the movie folder Default movie_folder TemplateFile This is the file name of the SDP page template file Default template xml 129 Click to Meet Conference Server User Guide The following figure shows an example of the sdp properties file Figure The SDP Properties File E tdp properties WordPad Fie EQ es riset ong Heb osla al al leal a This file set the properties for SDP creation web tool D EEN Configbir specify where the streaming server config file located see ConfigFile Default value none Example Windows contigDir C Program Files Darvin Screaming Server Note Use double forward slash for the file separator on Windows Another example Linux ConfigDir etc AE ES EE B PE AE PE E EI DE BI RAR A P AMES RR ABR AR ARR ARNE AUR D BA BE NEURONA NE NEAR ARR AR AE BE DE AE GE E Ree ee Contfigbir C Program Files Daruin Streaming Server f EEE EE EE E E EASE EEEE AEEA i E EAE EE EEEE EEEE EAEE EEE E E EEEE E EEEE EEE EE EEE EEEE EEE EEEE E Config ile specify the file nawe of the config file Dafault value streamingserver ctg D Example fi ConfigFile myname cfg EEAS EE AT E AE H DE AA E B PE A PE AE E LE SE
180. nitor Conference Server H 323 gatekeeper activity Get information on H 323 H 320 endpoints that are currently registered with Conference Server gatekeepers in your domain Using and Accessing the Monitoring Area as a Moderator While logged in to Conference Server as a Moderator you can monitor users in a conference You can also dynamically control client participation in an active conference or in all conferences in your Conference Server domain When you log in to Conference Server as a Moderator you have limited access to Conference Server s Conference Administrator Web pages Specifically Moderators can 91 Click to Meet Conference Server User Guide access a modified version of the Monitoring page This page allows a Moderator to control client participation in an active conference It is modified in that it does not contain links to other areas of the Conference Server interface other than a single link to these HTML Help files To access the Monitor Users page as a Moderator you must have a username and password defined in Conference Server s user database with the Moderator permission assigned see Adding user records To log in as a Moderator 1 Launch your Web browser and connect to the following URL customized with the IP address or domain name and HTTP port of your Conference Server Conference Administrator Web pages http yourserver 8080 cs cs html For example if you installed your Conference Server on a
181. nk If the link is a two way link in which conferencing data flows in both directions between servers you can edit the Send Rate and Keep Alive Interval for both servers By default the Conference Server sets the Send Rate to 1544 Kbps for data sent between servers Two way links support three combinations of media You can choose e 7 120 T only e Audio and Video AV only e Audio Video and T 120 AVT Multi Conference Links If you link more than one conference between two servers the Conference Server adds the amount of bandwidth you designate for each conference Conferences share the cumulative amount of bandwidth on a first come first served basis If you have a low total bandwidth each conference may not receive the bandwidth that you specify in the Send Rate 277 Click to Meet Conference Server User Guide Keep Alive Messages Keep alive messages allow linked servers to communicate when no conferencing data is being sent By default the Conference Server sets the keep alive interval to four seconds which is satisfactory for most conferencing situations However you can change the keep alive interval For example if your servers are linked over a costly ISDN connection you may not want to keep the connection open if no conferencing data is being sent In this case you can increase the keep alive interval so that the connection closes when no conferencing data is being sent Designating a Top Provider If you c
182. nncnnnnnnnnccnnncnnnnnnnnncnnnnnnnnnnnnncnnnnnns 63 RADIUS authentication comia an 63 Audio Bue ER ee 63 elle D Ee ita a A A eee ede Ae eee eet 63 Video CodeCsa2 428 avin EE 64 Audio Latency ic aa 65 Gonterence Alas ici ia as A A Es eed 65 Gonterence NicknamMes iii A A Eed EE 66 User Defined Alases EE E AEAEE AEAEE 66 Unicast ANA Mulas o edo cole e r ESE 66 Selec RE AE ENEE 68 Klee EE 68 Enable tracking tit a 69 SUSAN ti de a ad eddie Ma eee apa a 70 A with ee Ee EE Ut hs Ee et tts eats 70 Editing a Conference Configuration cccccceeesceceeececeeeeeeeeeseeeeeceaeeesaaeedeaeeseeeeeseaeeesaeeeeneeee 70 Copying a Conference Configuration cccccccceeesceceeeeeceeeeeeeeeeeeeeceaeeeeaaeeseaeeeeeeescaeeesaaeenenees 71 Removing a Conferences aas attain EE 71 The Conference Server Layout Applet NENNEN 73 Working with the Conference Server Layout Applet ooooccinnccnnncccnncccononinonccnnancccnnrnnnnnnnana cnn nos 73 The Mapping Are EE 73 The EOT 015 1 EEA EE E A datada 73 Selection Tool 73 Conference Server Tool 73 Multicast TOoOl 0 cooiocina iaa aia a as a aa entien 73 Uni Dire tional LINK te e ET 73 Bi Directional Link Tool ci iaa licita 74 TOp Provider Tool coa A Ae 74 Load But iia ad 74 Save Bull A A A S Bee ee 74 Delete BUON tica a A E ii Ei 74 QuIVADDIy Buttons tated eats arcada 74 Defining a Server Layout for Your Conference cccccceeeeeeeeeeeeeeeeeeeaeeeeeeeseeeeeseaeeeteaeeeeneeee 74
183. ntication information If you want the Conference Server to send user connection statistics or session data to your RADIUS server for billing purposes select the Enable RADIUS accounting option In order to enable RADIUS authentication and billing you must first define the parameters for your third party RADIUS server in the Network area Audio Video Codecs You can specify the audio and video codec s COmpression DECompression algorithms that clients use in a conference Clients will use codecs from the specified list If none of the codecs of a given media type is supported by a client that client will not be able to send receive this media Audio Codecs Select the codecs you want to designate Conference page Table Audio Codecs Available 63 Click to Meet Conference Server User Guide Audio Codec For Use With Client G 711 u Law 64 Kbps CUseeMe Client H 323 SIP G 711 a Law 64 Kbps CUseeMe Client H 323 SIP G 722 64 Kbps CUseeMe Client H 323 SIP G 722 1 32 Kbps CUseeMe Client H 323 SIP G 722 1 24 Kbps CUseeMe Client H 323 SIP G 722 1 16Kbps CUseeMe Client H 323 SIP G 723 1 6 4 Kbps CUseeMe Client H 323 SIP G 723 1 5 3 Kbps CUseeMe Client H 323 SIP G 729A 8 Kbps CUseeMe Client H 323 SIP iLBC 13 3 Kbps CUseeMe Client SIP Video Codecs Select the video codecs you want to designate on the Conference page If you are choosing an
184. nts with special access status This information is managed in the Users area of the Conference Administrator Web pages From the Users area you can do the following e Add User Records The Add button links to the Add User Record page From there you can add user records and assign special permissions e Search for User Records The Search button links to the Search User Database page From there you can search for user records in the Conference Administrator database With the results of your search you can edit copy and remove user records e Create and Manage Organizations The Organizations button links to the Organizations page From there you can create and manage organization records for use with the MeetingPlanner applet e Initialize the Database The Initialize button links to the Initialize User Database page From there you can delete all user and organization records except the default administrator record e Backup the Database The Backup button links to the Backup User Database page From there you can create a backup copy of all user records in the Conference Administrator database Assigning Special Permissions Before adding or editing user records it is helpful to understand the meaning of each special permission you can assign You can assign the following special permissions e Administrator e Moderator e Conference Manager e General User o Normal 82 Click to Meet Conference Server Us
185. o use as needed and delete as desired Interfacing with Third Party Billing Systems Demand for multimedia group interaction is strong and growing Consumer end users want to participate in interactive cybercasts and videochat Business participants want to collaborate without having to spend time and money traveling to common physical locations In order to meet this growing demand service providers and other organizations are adding multipoint videoconferencing to their menu of available services Conference Server provides the ability to interface with third party billing systems enabling service providers and other businesses to offer multipoint videoconferencing services for a fee Many large service providers already have sophisticated systems in place to bill for services Conference Server does not replace these systems but rather is capable with some customizing of feeding them the necessary data for the billing of metered videoconferencing services For more information see the next section Understanding Conference Server s Billing Architecture Understanding Conference Server s Billing Architecture Different organizations use different systems to authenticate track and bill their customers for services RADVISION designed Conference Server with the flexibility to accommodate these varying systems The Conference Server architecture includes an abstraction layer that exists between the core Conference Server applic
186. ol and old Conference Client connections to the Conference Server TCP Port 7650 This port is used for old Conference Client connections and used between Conference Servers for linking TCP Port 443 This port is used for Conference Client connections Table 2 UDP Ports Used by Conference Server UDP Port Use UDP Port 1414 This port is for routing H 323 video streams to third party streaming applications UDP Port 1424 This port is for routing H 323 audio streams to third party streaming applications UDP Port 1812 This is the default port for RADIUS authentication requests Note that some older RADIUS implementations use port 1645 UDP Port 1813 This is the default port for RADIUS accounting requests Note that some older RADIUS implementations use port 1646 UDP Port 7648 This port is for sending and receiving old Conference Client Videochat streams and for linking between Conference Servers 22 Click to Meet Conference Server User Guide UDP Port Use UDP Port 24032 This port is for sending and receiving RTP audio and video streams for the CUseeMe protocol used by old Conference Clients and for linking between Conference Servers lt is for sending and receiving audio only for clients that support RTP on separate ports UDP Port 56800 This port is for sending and receiving RTP video streams for old Conference Clients and for linking between Conference Servers UDP dynamic ports Confer
187. onference A template conference allows you to define a set of rules that will apply to the conferences end users create with the MeetingPlanner applet This allows you to control the parameters of conferences ensuring the integrity of your network resources while allowing end users the freedom to create their own conferences when they need them and without requiring your help You can create as many different template conferences as you need For example if you are a service provider one of your customers might be a local business that conducts daily sales meetings over the Internet with its offsite sales representatives This customer needs a template for small private interactive conferences hosted on a single Conference Server Another customer could be a local radio station that broadcasts a weekly concert series over the Internet This customer requires a template for a one way cybercast to multiple Conference Servers To create a template conference navigate to the Conferences area of Conference Server s Conference Administrator Web pages and click Add H 323 or Add CUSM The Add H 323 or Add CUSM page displays Proceed to create the conference as you would any other Conference Server conference see Adding a Conference To designate the conference as a template conference select the check box labeled This conference is a template under the Template section on the Add Conference page Additionally you can enter a text message in the
188. onferencing services to H 323 standards based clients These clients include CU Web CUseeMe Pro and the Click to Meet Conference Client The H 323 standard serves as the umbrella for a suite of recommendations defined by the International Telecommunication Union ITU The H 323 standard defines videoconferencing over packet switched generally IP based networks such as local area networks LANs and the Internet lt covers both point to point and multipoint audio and video conferencing In addition the ITU has defined the T 120 standard to address the document sharing data conferencing portion of a multimedia conference The H 323 Standard Gatekeeper Functionality H 323 standards define several components of real time multimedia communications over packet based networks These include Terminals H 323 terminals provide real time voice and optionally video and data communications Any H 323 based videoconferencing client is an H 323 terminal Gatekeepers H 323 gatekeepers are network level administration servers They provide call control services to H 323 endpoints an endpoint can be a terminal gateway or multipoint control unit Gateways H 323 gateways provide translation between circuit switched networks and packet based networks enabling H 323 endpoints to communicate with non H 323 endpoints Multipoint Control Units MCUs H 323 MCUs provide support for multipoint conferences between three or more en
189. onsiderations By default the Conference Server names track files in the format cs lt id gt trk where lt id gt is the ID number of the conference that you tracked For example the track file for conference 16 would be cs16 trk Also by default the Conference Server saves track files in the installation directory of the administrative server for the domain You can also define your own file name and or directory path Enter the file name and directory path in the Files field adjacent to the Enable tracking option The directory that you specify must reside in the installation directory Do not enter spaces in the file name or directory path For example specifying your_directory sports_chat trk creates the track file for a Windows installation in C Program Files Click to Meet Conference Server 7 X X your_directory sports_chat trk For a Unix or Linux installation it creates the track file in usr local ctm confsrv your_directory sports_chat trk The Conference Server includes session data in the track file as follows Client Session Track Record Rev 0 2 Conference SC Ok IP Address 100 20 30 40 Username TheAccountUsername Password ge ERP Start Time Mon Nov 29 09 30 33 2004 Elapsed Time 00 00 44 Stop Time Mon Nov 29 09 31 17 2004 Stop Reason Normal Disconnect Bytes Sent L379 If you specify a new name for the track file but do not specify a new directory path the Conference Server saves the custom named
190. ose to monitor the participants in all conferences simultaneously or per conference Monitoring Users The Monitoring page provides a selection box with a list of active conferences When you log in to Conference Server as a Moderator the list contains all those conferences to which you have been assigned Moderator status When you log in to Conference Server as an Administrator the list contains all active conferences in your Conference Server domain 92 Click to Meet Conference Server User Guide Each conference is identified by Conference Name and Conference ID To monitor a conference select its name from the selection box then click the Monitor Users button This will link you to the Monitor Users page for the conference you selected There is an icon task bar on the Monitor Users page that allows you to control participation in a conference The actions you can perform from the icon task bar are e Deny User e Disconnect User e Grant Floor e Revoke Floor e Setting a Video Source e Clearing a Video Source To perform any of these actions click on a participant name in the selection box on the Monitor Users page and then click the appropriate icon above the selection box The participant selection box on the Monitor Users page provides the following information for each participant Name The participant s username as entered in the client application IP address The IP address of the computer from which the part
191. otal active time since the last date time stamp total number of participants multiplied by total amount of connect time for all participants e Number of participants connected at the time of the date time stamp 137 Click to Meet Conference Server User Guide e Total number of connections made to the server since the last date time stamp Once you import this statistical data into a spreadsheet application you can manipulate it in many different ways depending on your needs You can look at the information per conference per server as a single interval of time or as a time series For example a network service provider may want to track bandwidth used by videoconferencing participants over time see the following figure This information would show peak hours of use and help the provider in network capacity planning Bandwidth Use Over Time Kbps The same provider may want to track the total number of participants and average connect time in a particular conference This information could help measure the success of an interactive event A system administrator managing a busy corporate network may want to look at videoconferencing traffic for a particular slice of time in order to map it to network performance This information could help the administrator set appropriate limits on maximum number of participants allowed on the server simultaneously and on client send receive rates for Conference Server conferences These are
192. ote video window and hear their own audio This allows CUseeMe protocol participants to adjust their settings before joining another conference To enable Root mode for a conference select the Set this conference as a Root 68 Click to Meet Conference Server User Guide conference option in the Miscellaneous section of the Add Conference page The Root mode is included for administrative purposes Participants in a Root conference become participants of all other conferences on the server simultaneously RADVISION recommends that you assign the Private attribute to Root conferences You can use a password and require authentication in order to make the conference secure and restrict it to administrators only You can have only one Root conference on a Conference Server You cannot link Root conferences between Conference Servers Enable tracking To enable tracking select Enable tracking option in the Miscellaneous section of the Add Conference page When you enable tracking the Conference Server creates a track file for the conference The track file keeps session data about all client connections to that conference This is the same information that the Conference Server sends to the RADIUS server for billing purposes for more information see Interfacing with Third Party Billing Systems Typically the information in the track file is not used directly for billing purposes You can use it for cost analysis or future billing c
193. ou can select E164 phone and enter a phone number or H323ID text and enter the H323 ID text in the Alias field 4 Click OK The Conference Server adds the new alias To remove an alias highlight it and click Remove The Conference Server deletes the alias Unicast and Multicast The term unicast signifies a point to point connection where data is sent from one sender to one receiver over an IP network The Conference Server expands on the unicast principle allowing multiple clients to conference together Each client makes a unicast point to point connection to a Conference Server sending a data stream that can consist of audio video text and T 120 The Conference Server receives the data streams and distributes one separate copy to every client in the conference who requests it By contrast in a multicast environment the Conference Server receives the data streams and sends one copy of each participant s data stream to a multicast group address Participants connect to the multicast group address and receive the data from there IP Multicast is an extension of the IP networking standard which addresses the need to handle group communications The Conference Server uses IP Multicast to distribute data streams more efficiently to multiple conference participants For example to send an identical message to everyone in your company you could write a memo photocopy it and put a copy into each employee s mailbox This is unicas
194. ou want statistics and click Get Statistics Conference Server will link you to the Monitor Statistics page and display the following information for all conferences on the server you selected e Total number of participants currently connected This is further broken down to show participants that are connected directly to the server local and participants that are connected indirectly by way of linked servers from which the local server is receiving data e Average amount of data Conference Server received from clients during the last monitoring period including clients on linked servers e Average amount of data Conference Server forwarded to clients during the last monitoring period including clients on linked servers e Average amount of data Conference Server pruned intelligently discarding because of bandwidth limitations during the last monitoring period e Average amount of data Conference Server was unable to send because it was dropped by the network during the last monitoring period e Data amounts are in megabits MB per second You can update the statistics at any time by clicking the Refresh button at the bottom of the Monitor Statistics page Note In order for dynamic statistics to work you must set the interval at which Conference Server logs historical statistics to an integer greater than 0 You do this when you add or edit a Conference Server to your Conference Server domain See Historical Statistics for mo
195. oups of numbers in standard dot notation Each group of numbers represents an 8 bit byte or octet For example the default E 164 terminal alias for Conference 12 hosted on a system with an IP address of 100 111 222 34 is 22203400012 H 320 users enter this alias to connect to Conference 12 on the Conference Server Note e H 323 users can specify which conference to join using either an H323 ID or E 164 terminal alias H 320 users can select conferences using an E 164 terminal alias only e Users with videoconferencing clients that support Version 2 of the H 323 standard can request that the Conference Server send a conference list in the Q 931 Facility message This lets them see which conferences are available In order to request the list the user must send a destination alias in the following format lt conference list request indicator gt lt domain gt By default the Conference Server uses conferences as the conference list request indicator and the host name of the computer as the domain For example to request a conference list from a server with host name applegate a user sends the following destination alias conferences applegate The Telnet gkep conflist command allows you to customize the text string used as a conference list request indicator For more information see the Conference Server Telnet Guide Selecting a Conference Through the T 120 Based Server When you enable the H 323 attribute for a v
196. participate in your conference It also creates and enables a matching T 120 data conference on the 53 Click to Meet Conference Server User Guide T 120 server if installed The matching T 120 conference lets H 323 clients take advantage of server based data conferencing H 323 clients must be T 120 capable For more information see Hosting H 323 Conferences and Data Conferencing with the T 120 Server SIP default off This option is available only on the Add H 323 Conference page When you select the SIP option the Conference Server allows Microsoft Windows XP SIP clients to participate in the conference People and Content This option is available only on the Add H 323 Conference page When you select the People amp Content option the Conference Server lets you use the People amp Content feature in the PictureTel 900 Series endpoints The term people and content refers to an endpoint that has two outgoing video streams people refers to the camera that shows the person in the conference and content refers to the laptop computer or any other video source that displays the data content When you select People amp Content you must choose H 263 as the video codec Note The Conference Server processes video audio and chat from admitted senders even when you clear the respective Video Audio and Chat options in the conference configuration Broadcast Mode The Broadcast Mode you select for your con
197. pecifying IP ranges see Using IP addresses and subnet masks Conference Server Endpoint Identifier Suffix This option lets you specify the suffix that the Conference Server gatekeeper uses when it assigns endpoint IDs When an H 323 endpoint registers with a gatekeeper the gatekeeper assigns it a unique identifier ID By default the format that the Conference Server gatekeeper uses to assign endpoint IDs is as follows 00001_CUSM 00002_CUSM 00003_CUSM and so on You can use the Conference Server Endpoint Identifier Suffix text field to change the default suffix CUSM to a customized suffix for your organization Use a Third Party Gatekeeper When you select the Use a Third Party Gatekeeper option you instruct the Conference Server to use a third party gatekeeper rather than its own local gatekeeper The Conference Server registers as an endpoint with the third party gatekeeper you specify It creates an alias for each of its H 323 conferences and provides those aliases to the gatekeeper When an H 323 client that use RAS messaging tries to join a conference it submits an admission request that includes this alias to the gatekeeper For more information on how endpoints specify aliases for H 323 conferences see H 323 Selecting a conference through a gatekeeper In order for the Conference Server to use a third party gatekeeper you must provide the following information 20 Click to Meet Conference Server User Guide e Re
198. play up to 100 user records on a single page To see the next page of user records click More Editing User Records in the Conference Administrator Database Once you add a user record to the database you can make modifications to the record at any time To edit a user record 1 Click the Users icon on the Conference Server entry page You can also click the Users icon in the main navigation bar The User Menu page displays 2 Click the Search button The Search User Database page displays 30 Click to Meet Conference Server User Guide 3 Enter the search criteria and click Search The Select User Record page displays with the results 4 Select the user record you want and click Edit The Edit User Record page displays 5 Enter your edits and click Submit Edits The Conference Server updates the user record with your changes and then displays the Search User Database page From the Edit User Record page you can also click Delete Record to remove a record from the database Copying User Records in the Conference Administrator Database You can copy an existing user record and use it as a starting point for a new record This is handy for example if you want to assign the same permission to a user for multiple conferences By copying the record you do not need to enter the information multiple times you can edit the portion of the record that is different To copy a user record 1 Click the Users icon on the Co
199. ples second and 16 bits sample wave format In most cases the Windows multimedia subsystem will query the driver for the correct format so you don t need to specify these settings Specify appropriate bandwidth for your network if you intend to broadcast Set the file name if you want the encoder to record For specific instructions on installing and using your third party streaming encoder exporter software consult the documentation that came with the product s Now issue the stream media command After all your software components are properly configured and at least one H 323 videoconferencing client is connected to your H 323 conference establish a Telnet connection to your Conference Server Enter the stream media command as follows stream media c lt id gt enable lt IP address gt where lt id gt is the conference number of the H 323 conference you want to stream and lt IP address gt is the IP address of the system on which the Conference Server audio and video drivers are installed By default the stream media command uses UDP port 1424 to route audio and 1414 to route video In most cases these port numbers do not need to be changed However the stream media command does accept optional video and audio port numbers that you can use to override Conference Server defaults if you experience a port conflict For more information on using the stream media Telnet command see the stream media command When you enable the stream
200. ption Telnet command or through the user interface For T 120 transport security the ITU defined T 123 Annex B which defines a protocol that allows transport connections for T 120 conferences to negotiate the availability of extended services These extended services include security protocols transport protocols levels of reliability of data transfer and support for address aliases T 123 Annex B has provisions for both standard and non standard security protocols These 32 Click to Meet Conference Server User Guide include the following standard security protocols e Generic Security Service Application Program Interface GSS API e Secure Socket Layer Top Level Specification SSL TLS e X 274 e IPsec IP Security Currently only NetMeeting 3 0 on the Windows platform supports the Conference Server T 120 security features GSS API and SSL TLS The Internet Engineering Task Force IETF designed the GSS API to provide a generic security service independent of the underlying security and transport mechanism Applications use GSS API to generate and process security tokens but the applications themselves are responsible for the exchange of the security tokens The security tokens are transparent to applications In accordance with T 123 Annex B GSS API is layered above the X 224 class 0 Netscape originally developed the SSL security protocol TLS is an IETF standard that is based on SSL version 3 0 The protocol allows client
201. r 79 Click to Meet Conference Server User Guide 1 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page appears 2 Click the Layouts button on the Network page The Define Conference Server Layout Template page displays 3 From the drop down menu select the template that you want to delete 4 Click the Delete button in the layout applet toolbar The Delete a layout from the server applet window displays 5 Click Delete in the applet window The Conference Server confirms that you want to delete the template 6 Click Delete again The Conference Server deletes the template from the server You must delete templates in the Network area The Delete button does not display in the layout applet toolbar in the Conferences area Applying a Template to the Layout of a Conference From the Open a Layout window you can load a server layout template that you previously defined in the Network area To apply a template to the layout of a conference 1 Click the Network button on the Conference Server entry page You can also click the Network icon in the main navigation bar The Network page appears 2 Click the Layouts button on the Network page The Define Conference Server Layout Template page displays 3 Click Select it from the list Choose the template you want from the drop down list 4 Click OK The Conference Server loads
202. racters Click Next gt to continue Select a template for your conference from the Template pull down menu These 114 Click to Meet Conference Server User Guide templates have been created in advance by your Conference Server administrator and assigned to your organization You may see only a single template choice in this list or several When your administrator creates a conference template s he can include a description of the template so that users can distinguish the characteristics of each When you select a template in the MeetingPlanner applet this description displays in the Template description text box Note The MeetingPlanner can be used to create only single server conferences lt cannot create linked conferences Click Next gt to continue 6 Enter scheduling information for your conference including start date start time duration of conference and repeat interval e Start Date Specifies the month day and year that Conference Server will start your scheduled conference A scheduled conference is dormant disabled until five minutes before the date and time specified by the Start Date and Start Time fields e Start Time Specifies what time Conference Server will start your scheduled conference You should enter the Start Time for a conference in the local time of the computer system to which your browser is connected using the twelve hour A M P M notation Conference Server will translate the loca
203. re information on this Monitoring Gatekeeper Activity To obtain information on H 323 H 320 endpoints registered with Conference Server gatekeepers in your domain 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring 98 Click to Meet Conference Server User Guide icon that displays in the main navigation bar The Monitoring page displays 2 From the pull down menu labeled For a Gatekeeper select the Conference Server gatekeeper for which you want statistics 3 Click Monitor Gatekeeper Conference Server will link you to the Monitor Gatekeeper page and display the following information for each endpoint registered with the gatekeeper you selected Endpoint The unique endpoint identifier that Conference Server assigns to each H 323 H 320 endpoint when it registers with Conference Server s local gatekeeper RAS Addr The address that the Conference Server gatekeeper uses for RAS Registration Admission and Status messages with a registered endpoint Endpoints provide this information to Conference Server s gatekeeper when they register with it lt consists of the endpoint s IP address and the port number the endpoint is listening on for RAS messaging EP Type Indicates whether the endpoint is an H 323 or H 320 endpoint Alias The terminal alias the endpoint provides as identification to the gatekeeper Conference Server registers with the gatekeeper an E164 and an H323 ID terminal
204. reate an H 323 conference and link it between multiple Conference Servers you must designate one of the Conference Servers as the top provider The server you designate as the top provider determines the order in which T 120 conferences are created on linked servers A linked server does not create a T 120 conference until another server invites it to do so The top provider creates the first T 120 conference and then invites any servers that are directly linked to it to create matching T 120 conferences Those servers in turn invite any additional servers to which they are directly linked This continues until all the linked servers hosting the H 323 conference have matching T 120 conferences To designate a Conference Server as top provider in your Conference Server layout 1 Click the Top Provider Tool in the layout applet toolbar 2 Click the icon for the Conference Server you want as your top provider The word TOP displays directly above the Conference Server icon 3 Click OK To clear the top provider selection click the Conference Server icon again with the Top Provider Tool selected The TOP label disappears You can base the selection of top provider on a number of criteria such as reliability of the server system available bandwidth and accessibility Explicit knowledge of the sequence in which linked T 120 conferences are created is helpful for troubleshooting purposes If you choose not to designate a top provider the Conf
205. rence 1 on conference conferenceserver com The maximum number of participants for a conference can exceed the licensed maximum for the individual Conference Server This is because a conference can be simultaneously hosted on multiple servers However each server allows no more than the maximum number of participants up to its licensed maximum defined in its server wide settings Optional Advanced Settings You can choose the following advanced configuration settings e Template Conference e Conference owner information e Conference Password e Scheduling e Bandwidth controls e Time limits e Preferred required codecs e Data collaboration server e User authentication e Audio latency e Conference aliases e Multicast e Self reflect e Root e Tracking e Streaming The following section indicates when a setting is specific to the Add H 323 conference page 55 Click to Meet Conference Server User Guide orthe Add CUseeMe conference page Template Conference The Template option lets you use a conference as a template for other conferences Creating a template allows users to create conferences with the MeetingPlanner applet using the attributes and server layout that you define You can also define frequently used configurations as templates copying them to create new templates and conferences Template conferences must belong to an organization If you do not create an organization for a template before creating the templa
206. rence Server s MeetingPlanner applet User Authentication Web Login page CallOut applet and Continuous Presence Mode applet It is a Microsoft Windows based executable that you can distribute to videoconferencing client end users in your organization You can find the Conference Server User Tools installer in the UserTools directory of your Conference Server CD ROM Distribute this file called Conference Server User Tools msi to your client end users and provide them with the following installation information e P address of the third party HTTP server that manages Conference Server s Conference Administrator Web pages If you have more than one installation of the Conference Administrator Web pages for your domain you can balance the load between the various installations if you choose e Port number that your third party HTTP server uses to manage Conference Server s Conference Administrator Web pages Historical statistics Conference Server enables you to log to a file the summary statistics concerning activity on your server The following fields on the Add Domain Member page govern how Conference Server logs this information Log file name The Log file name field specifies a name and directory path for the log file to which Conference Server will write summary statistics for the Conference Server By default Conference Server names the log file cs stats and writes it to the Conference Server installation directory If you chang
207. rence that uses Conference Server Username Password authentication This permission requires that you specify a username and password in the user record This will enable a user to gain access to a restricted conference by first logging in with a browser to Conference Server s User Authentication Web page The General User Normal permission can also be used to allow an end user limited access to Conference Server s MeetingPlanner applet General users can create temporary conferences on the fly that automatically delete after conference completion General users cannot create scheduled or recurring conferences and cannot limit the conferences to specific participants To enable a general user access to the MeetingPlanner applet you must also specify a username password and organization An e mail address is optional It is used as a return address when e mail invitations are sent from the MeetingPlanner applet For more information see Managing Organizations and Using Conference Server s MeetingPlanner Applet General User Admit Permission You should assign the General User Admit permission to a user record in order to allow access to a restricted conference that uses Conference Server IP Based authentication This permission requires that you specify the user s IP address in the user record When a user attempts to connect to such a conference Conference Server queries the user database to see if a matching user record exists If a recor
208. rence with one another As vendors incorporate the application level layers of the T 120 standard into their client applications true interoperability will result It is important to note that the T 120 standard is broad Vendors may continue to choose which application layers to incorporate and which to leave out For example some T 120 clients support only shared whiteboard while others may additionally support binary file transfer and application sharing The Conference Server T 120 server allows participants using T 120 clients to share data with like clients in any format that the client application supports For example if a T 120 client application has application sharing functionality the participants using the client will be able to application share in a T 120 conference Each client application may perform slightly differently with the Conference Server T 120 server 12 Click to Meet Conference Server User Guide Note H 323 videoconferencing clients that incorporate Microsoft NetMeeting for data sharing can data share in a Conference Server videoconference About the H 323 Standard As more computers become enabled for videoconferencing interoperability becomes increasingly important With users from around the globe communicating via hardware and software from a variety of manufacturers industry standards are required to ensure interoperability The Conference Server is a standards based solution that provides multipoint c
209. rmine which video stream to send While the participant is speaking s he sees the video of the person who last spoke rather than seeing his or her own video Until another audio video participant joins the conference the first as well as the last H 323 participant in a conference sees his or her own video reflected back from the server in the remote video window You can use the Telnet set vswitch mode and set vswitch interval commands to do video switching by interval rather than by audio For more information see the Conference Server Telnet Guide Note H 323 video switching does not affect CuseeMe protocol participants CuseeMe protocol users can choose to view up to 12 video windows at a time The H 323 VideoSwitcher Applet Conference Server provides a Java applet that enables H 323 end users to override default video switching for a conference You can access this applet through a Web browser The H 323 VideoSwitcher Applet lets you choose which video to view from among multiple participants in a conference regardless of who is speaking The Continuous Presence Mode Option You can purchase the Continuous Presence Mode option as an add on The Continuous Presence Mode option enables H 323 users to receive a remote video stream of up to four conference participants This is an exciting enhancement for H 323 clients that typically receive only a single remote video stream at a time To activate continuous presence for an H 323 conf
210. rotocols and services for real time multipoint data communications The International Telecommunications Union ITU established the T 120 standard to ensure interoperability between client applications from multiple vendors The T 120 standard facilitates two different levels of interoperability e The lower level layers of the T 120 standard T 122 T 123 T 124 and T 125 provide network level interoperability Network level interoperability encompasses conference control and multipoint data transport e The upper level layers T 126 T 127 and T 128 provide application level interoperability for specific conferencing applications Application level interoperability guarantees that client applications from different vendors can share information Common conferencing applications include shared whiteboard still image exchange and annotation binary file transfer and application sharing The Conference Server T 120 server facilitates network level interoperability It provides connection and control for T 120 client applications However it is important to note that most T 120 applications have not yet conformed to application level T 120 standards This is primarily because the application layers were developed and ratified much later than the network layers This means that while all T 120 clients can connect to the same T 120 conference only users with client applications that incorporate like data conferencing components can data confe
211. rver conference at IP address 10 1 1 111 and a QuickTime Streaming Server at IP address 140 249 44 112 This session is set to start immediately when the player gets connected and the player will end the session manually You can create a SDP file similar to the following example v 0 o xman 30701 IN IP4 10 1 1 111 s my stuff meeting c IN IP4 10 1 1 112 t 3194197982 0 m audio 1424 RTP AVP 0 m video 1414 RTP AVP 31 Use the default SDP file skeleton default sdp to create your own custom SDP file 128 Click to Meet Conference Server User Guide Make your changes based on this file SDP Creation Tool There is also a web based tool to create an SDP file based on your input An SDP creation tool the SDP page is a web based tool easily accessible with a Web browser and network connection used to create an SDP file It is also based on a template so it is easier to customize and localize to your needs Installation The SDP page should be installed by the Conference Server or by an MCC installer Otherwise put the csqt war file under the lt tomcat_home gt webapps directory and restart Tomcat to automatically install it Next you need to configure the SDP page before it can be used Configuration File The configuration file is located at lt tomcat_home gt webapps csqt conf and the file name is sdp properties This text file can be edited it using any text editing tool The sdp properties file contains the followi
212. rver is now part of a new Conference Server domain and will receive its conference configuration and user access information from the administrative server and Conference Administrator database for that domain Using Conference Server s Continuous Presence Mode applet Conference Server s Continuous Presence Mode applet is a Java applet that allows a conference moderator or Conference Server administrator to control which participant s video is displayed in each cell of an H 323 continuous presence video stream By default the videos that display are determined by Conference Server s audio based video switching mechanism The Continuous Presence Mode applet allows you to override this default switching on a cell by cell basis It allows you to pin a participant s video to a particular quadrant of a continuous presence stream When a quadrant has been pinned it is no longer affected by default video switching The participant s video remains constant in the quadrant regardless of who speaks in the conference The Continuous Presence Mode applet allows you to pin any or all cells Any cell that you do not pin continues to receive video based on default switching for the conference In order to use Conference Server s Continuous Presence Mode applet you must do the following in advance 1 Purchase the Continuous Presence Mode option for your Conference Server Install Conference Server and enter the Continuous Presence Mode option serial number d
213. rver s Conference Administrator Web pages When you create a user record and assign the Conference Manager permission you must also enter values for username password e mail address and organization The username and password are used for authentication to Conference Server s MeetingPlanner applet Organizations are set up in advance in the Users area of Conference Server s Conference Administrator Web pages The organization you assign determines which template conferences will be available to the user for conference creation The e mail address is used as a return address when e mail invitations for the conference are sent from the MeetingPlanner applet General User Permission The General User permission concerns the rights of a participant in a Conference Server conference It does not grant a user access to Conference Server s Conference Administrator Web pages General User has meaning only in the context of the modifying permission that you select with it The modifying permissions for General User are Normal Admit Deny Admitted Sender Note Normal Admit Deny and Admitted Sender can only be applied to the General User permission They do not modify the Administrator Moderator or Conference Manager permissions General User Normal Permission You should assign the General User Normal permission to a user record in order to allow 84 Click to Meet Conference Server User Guide access to a restricted confe
214. ry measure to create a backup of the database periodically In the event of database corruption you can restore the records to the date and time of the last backup The Conference Server creates the backup file called users db bak in the following subdirectories depending on your operating system Table Back up File Subdirectories Operating System Subdirectory Windows 2000 Conference Server 7 X X jakarta tomcat webapps cs Data Sun Solaris Ctm solaris_59 tomcat webapps cs Data Red Hat Linux ctm linux_24 tomcat webapps cs Data To back up the user records in the Conference Administrator database run the installer in the maintenance mode Running the installer in the maintenance mode is only an option for Windows users Linux and Solaris users do not have this option Proceed to the Repair page to create a backup Note Performing a backup of the user database file only backs up user records It does not back up organization records Adding User Records to the Conference Administrator Database To add a user access record to the Conference Administrator database 1 Click the Users icon on the Conference Server entry page You can also click the Users icon in the main navigation bar The User Menu page displays 2 Click the Add button The Add User Record page displays 28 Click to Meet Conference Server User Guide Enter the information for the user identifier fields Assign user permissions by cl
215. s With username and password authentication you create one or more user records for the conference in the user database file You also create an individual user record for each participant assigning each a unique username and password for the conference with General User Normal permission Alternatively you can create a single record for the entire conference with a group username and password with General User Normal permission that all participants can use In either case you do not need to enter an IP address From the User Authentication Web page a user can submit an authentication request specifying username password and conference ID When the user submits the request the Conference Server receives the authentication query If authentication succeeds it issues the appropriate commands and lets the user connect to the conference When you use the Username Password authentication method you do not need to assign Admit permission in the user record The Conference Server issues a one time admit privilege for the user through the User Authentication Web page RADIUS authentication Select the RADIUS Remote Authentication Dial In User Service option to enable the Conference Server s integrated RADIUS client to communicate with your third party RADIUS server Together the client and server authenticate conference participants The Conference Server collaborates with your RADIUS server rather than its own database for user authe
216. s H 320 endpoints use E 164 terminal aliases to connect to H 323 endpoints through a gateway or gatekeeper An E 164 terminal alias can be up to 128 characters in length and contain any digit 0 9 plus the special characters pound and asterisk The hyphen character is not valid for an E 164 address E 164 terminal aliases are often in the form of a phone number e None This is the default setting for the Conference Server gatekeeper functionality When you select None the Conference Server does not use a gatekeeper for H 323 conferences Select this option if e You do not plan to enable any H 323 conferences on this server e You plan to enable H 323 conferences on the server but do not plan to have any H 323 clients connecting to those conferences using RAS Registration Admission Status messaging Enter a terminal alias in the Optional Gatekeeper terminal aliases for Conference Server field and select E 164 or H 323 ID from the drop down box If you need additional fields click More If you configure the Conference Server to use a gatekeeper it automatically registers with that gatekeeper an H 323 ID and an E 164 terminal alias for each of its H 323 enabled conferences The following fields govern the syntax in creating those aliases H 323 Domain Name This is an optional field but RADVISION recommends that you complete it By default the Conference Server uses the host name of the computer on which it
217. s You can separate entries with a space For example F P5 Note You must select H 263 annexes when you use the H 263 video codec Editing a Conference Configuration To edit a conference configuration 1 Click Conferences on the Conference Server entry page You can also click the Conferences icon in the main navigation bar The Conferences page displays 2 Select the conference you want to edit Click Edit The Edit Conference page displays This page presents the same series of configuration settings as the Add Conference page However on the Edit Conference page the fields are filled in with the settings of the conference you have chosen to edit You can edit any or all of the settings with the exception of Conference ID For a description of each setting see Basic Settings and Optional Advanced Settings 3 Enter the changes you want to make to the settings You can edit any setting except Conference ID For a description of each setting see Basic Settings and Optional Advanced Settings 4 If you do not want to edit the layout click Finish The Conference Server displays a confirmation of your edits If you want to edit the server layout click Next The Conference Server layout defines which servers are hosting the conference and the links that exist between them if any For more information see Defining a Server Layout for Your Conference 70 Click to Meet Conference Server User Guide 5 Enter the changes yo
218. s presence video stream 1 Click the Select Conference pull down menu in the Continuous Presence Mode applet and select the conference for which you want to control the video layout Only those H 323 continuous presence conferences to which you have been assigned Moderator or Administrator status in the Conference Administrator database will display in the list 103 Click to Meet Conference Server User Guide 2 The Continuous Presence Mode applet has four pull down menus representing the four video cells or quadrants in a continuous presence video stream Once you have selected your conference each pull down menu displays the list of participants currently connected to your conference To pin a particular participant s video to Cell 1 top left quadrant of the continuous video stream click the Cell 1 pull down menu and select the participant s name 3 Repeat Step 2 for Cell 2 Cell 3 and Cell 4 as desired Click the Refresh button at any time to update the list of participants that displays in the Cell pull down menus 4 Click Exit to quit the Continuous Presence Mode applet when you are satisfied with the video layout Note e You can return any individual cell to switched video by selecting lt Switched gt from the appropriate pull down window in the Continuous Presence Mode applet e By default all participants in the conference will receive the continuous presence stream with the video layout you define in the Contin
219. s subsequent activity on the Conference Server You can open or close this window at any time without affecting the operation of the Conference Server You can use a Telnet command to instruct Conference Server to write the log window information to a file called cs log in the installation directory For more information see the log command in the Conference Server Telnet Guide 16 Click to Meet Conference Server User Guide The Network Working with Conference Server Domain Members The Conference Server Domain Members page displays a selection box with a list of Conference Servers currently associated with the domain It also presents a button bar linking to tasks that you can perform The Conference Servers are identified in the selection box by hostname IP address and operating status that is whether the Conference Server is running or stopped One Conference Server in the domain typically functions as the administrative server for the entire domain The administrative server maintains the conference configuration file and propagates any changes to it to the other Conference Servers in the domain You must choose an administrative server during installation but you can change your selection later If you install a single Conference Server that server must act as its own administrative server The administrative server is denoted by an asterisk after its name Adding a Conference Server to the Conference Server Domain W
220. ser Service client will use to communicate with your third party RADIUS server The settings on the Define RADIUS Server page enable RADIUS billing and authentication for your entire Conference Server domain However you can decide on a per conference basis whether or not to use RADIUS for billing and or authentication purposes To define communication parameters for the third party RADIUS server for your Conference Server domain 1 Click the Network button on the Conference Server entry page or click the Network icon that displays in the main navigation bar The Network page displays Click the RADIUS button on the Network page The Define RADIUS Server page displays Select the Enable RADIUS check box to enable communication between Conference Server s RADIUS client and your third party RADIUS server When you submit this page with the Enable Radius check box selected Conference Server s RADIUS client can send authentication and accounting requests to your RADIUS server and receive responses in return When you submit this page with the check box cleared communication between Conference Server s RADIUS client and your RADIUS server stops In the field labeled RADIUS Server IP Address enter the location of your third party RADIUS billing and authentication server The location is specified using the server s IP address in standard dot notation In the field labeled RADIUS Server Port enter the UDP User Datagram Protocol port o
221. server Shared secrets are case sensitive and have a maximum length of 15 alphanumeric characters The shared secret you enter must match the corresponding shared secret in the clients file of your RADIUS server 9 Inthe field labeled RADIUS Shared Secret Confirm re enter the authentication password you just entered in the RADIUS Shared Secret field This is to confirm that you entered the password as intended 10 Click Submit Enabling Streaming Media Streaming Media is an add on option you can purchase for your Conference Server The option enables you to route audio and video from a Conference Server H 323 conference to a third party streaming media encoder which in turn allows you to distribute the stream live or on demand from a third party streaming media server Conference Server s Streaming Media option provides you the ability to integrate two way interactive videoconferences with streaming media distribution technology For example you may have an interactive videoconference between four participants You could configure the conference in continuous presence mode so that Conference Server would create a composite video stream of the four participants Conference Server would perform audio mixing of the H 323 audio streams You could then send the audio and video streams out to a streaming media encoder server so that large numbers of people could view and listen to the interaction between the four conference participants Enable th
222. t H 323 SIP CUseeMe Client H 323 SIP CUseeMe Client H 323 SIP lt G 723 1 6 4 Kbps CUseeMe Client H 323 SIP G 723 1 5 3 Kbps CUseeMe Client H 323 SIP G 729A 8 Kbps CUseeMe Client H 323 SIP iLBC 13 3 Kbps CUseeMe Client SIP Table Video Codecs Available for H 323 Conferences Video Codec For Use With Clients H263 QCIF CUseeMe Client H 323 SIP Quarter Common Interface Format H263 CIF CUseeMe Client H 323 SIP Common Interface Format H263 SQCIF CUseeMe Client H 323 SIP Sub Quarter Common Interface Format H261 CIF CUseeMe Client H 323 SIP Common Interface Format H261 QCIF CUseeMe Client H 323 SIP Quarter Common Interface Format H261 CP4 CUseeMe Client H 323 SIP Continuous Presence Note In order for any endpoint to participate in a continuous presence conference the client must negotiate and open different send QCIF and receive CIF video channels If the client is coming through a gateway it displays only switched video If you purchased the Continuous Presence Mode option and entered the option serial number during installation you can select and enable the H261 CP4 video codec If you did not purchase the Continuous Presence Mode option the Conference Server ignores the selection and reverts to the H 261 CIF default video codec H 264 H 264 Level 1 to 5 1 see H 264 CUseeMe Client H 323 SIP Level description tabl
223. t by clicking Show Applet on the Web page e End users can access the H 323 VideoSwitcher applet through a Windows Start menu shortcut if they install the Conference Server User Tools shortcuts e In a continuous presence conference H 323 participants receive a composite video stream of up to four participant videos However by using the H 323 VideoSwitcher applet participants can choose to view individual client streams or receive switched video rather than the composite video To view an individual client video select a name from the Participant list and then click View or View 8 Listen To receive switched video select Switched Video from the Participant list and click View Switched Video only displays in the participant list during a continuous presence conference To return to the continuous presence stream click Default Using Conference Server s CallOut applet Conference Server s CallOut applet is a Java applet that enables Conference Server to initiate conference connections with H 323 T 120 and SIP videoconferencing clients Users can access the CallOut applet with a Web browser during an active conference or in advance of a scheduled conference and request that Conference Server make a callout to a specific H 323 T 120 or SIP client If the callout request is made in advance of a scheduled conference Conference Server adds the request to a call list for the conference and then makes the callout when the conference starts V
224. t specify a message in the Disconnect Deny Message window Conference Server will send the following default message You are denied access to this conference Note e H 323 participants will be disconnected and denied from the conference but will not receive the deny message e Another way to deny a user is to create a user record in Conference Server s user database In the user record you must specify the user s IP address and assign the Deny permission For more information on this method see The Users area Granting the Floor to a User The Grant Floor button on the Monitor Users page allows you to grant admitted sender status to selected participants in an active conference When a participant is granted the floor the video audio and chat of that participant can be seen by other members of the conference when this is not otherwise permitted in the conference To grant the floor to a user if you are logged in as a Moderator skip to Step 2 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page displays Select the conference you want to monitor from the conference selection box on the Monitoring page and click Monitor Users The Monitor Users page displays 95 Click to Meet Conference Server User Guide 3 Select the appropriate participant from the selection box on the Monitor Users page and clic
225. t to based on load balancing needs of the network Users can override this by selecting the check box labeled want to choose the server to use Conference Server will display a list of servers that are hosting the conference l am using an H 323 compatible client H 323 users need to select the check box labeled am using an H 323 compatible client By selecting this check box Conference Server will associate the user to the selected conference When the user connects with an H 323 client Conference Server will automatically route the client into the correct conference If user authentication fails Conference Server displays a Web page with a rejection message and does not allow the user to connect to the conference If authentication succeeds Conference Server polls all the Conference Servers hosting the specified conference to see which has the lightest participant load It then issues the appropriate commands to that server to allow the user to connect and displays a Web page appropriate to the user s client If the user has a CUseeMe client a Web page displays where the user is provided the conference address for connecting to the conference from within his videoconferencing client If the user has an H 323 client a Web page displays where the user can launch NetMeeting if appropriate or use the conference address provided for connecting to the conference from within his 89 Click to Meet Conference Server User Guid
226. t to synchronize You can select an individual server or all the servers in the domain 4 Click Synchronize The Conference Server displays a prompt to confirm that you want to synchronize the server 5 Click Yes The Conference Server displays a confirmation 24 Click to Meet Conference Server User Guide Note lf you have multiple servers in a domain the Conference Server uses the domain name as the suffix for H323 ID terminal aliases When you synchronize the servers in the same domain this changes any non default H323 ID terminal aliases in use including the aliases that use a domain name as the suffix When you synchronize servers the Conference Server changes the H323 ID terminal aliases to use the default alias syntax which includes the host name of the computer as the suffix rather than the domain name Editing Conference Server Settings To edit server wide settings for a Conference Server 1 On the Conference Server entry page click Network You can also click Network in the main navigation bar The Network page displays Click Members The Conference Server Domain Members page displays Select the Conference Server that you want to edit Click Edit The Edit Domain Member page displays The Edit Domain Member page displays the same set of configuration settings as the Add Domain Member page You can edit any or all of the settings For a detailed description of each of the settings see Adding a Conference Server
227. te itself it does not display in the list of available templates Users cannot connect to a template conference When you enable the template attribute the Conference Server automatically disables the conference for users You can enter text up to 1000 characters in the Template Description box that describes the parameters of the template This text displays in the MeetingPlanner applet and helps users decide which template to choose for a conference When you create a template conference select Limit access to scheduled time and enter a value in the Duration field This limits the length of conferences that users can create with the MeetingPlanner applet Conference Owner Information The Information option lets you provide conference owner information for multicast session announcements If you are not using multicast you can leave these fields blank RADVISION implements multicasting according to the standards determined by the Internet Engineering Task Force IETF An important part of the standard involves announcing the creation of multicast conferences also known as multicast sessions Session announcements serve two purposes e They convey ownership and contact information so that interested parties can inquire about participation in the conference e They reserve multicast addresses so that other groups planning multicast conferences do not attempt to use the same addresses When a conference uses IP Multicast the Confer
228. ted conference through the T 120 server the User Authentication Web page or the CallOut applet For more information see H 323 Entering a Conference Password Scheduling The following sections provide information for configuring conference schedule information Start Date The Start Date field is the date that the Conference Server enables a scheduled conference Scheduled conferences remain disabled until five minutes before the date and time in the Start Date and Start Time fields You can enter the start date string in the MM DD YY format A scheduled conference requires that you select the Limit access to scheduled time option You must also enter the Start Date Start Time Duration and Repeat Conference fields Start Time The Start Time field is the time that the Conference Server enables a scheduled conference Scheduled conferences remain disabled until five minutes before the date and time specified in the Start Date and Start Time fields You can enter the start time string in the HH MM format in the local time of the system to which your browser is connected The Conference Server converts the local time and starts the conference at the correct time even if the conference is on multiple servers in several different time zones A scheduled conference requires that you select the Limit access to scheduled time option You must also complete the Start Date Start Time Duration and Repeat Conference fields Duration
229. terface you can e Dynamically monitor and control client participation in an active conference For example you can see which participants are connected to a conference and how long they have been connected You can also disconnect a participant from a conference deny further access and grant or revoke special status to participants in real time e View real time statistical information for an individual conference or for a Conference Server Information you can obtain includes total number of users currently connected how much data is being received and how much data is being dropped by the network e Monitor Conference Server H 323 gatekeepers in your domain for information on H 323 H 320 endpoints that are currently registered There are two versions of the Monitoring area The one you see depends on whether you log in to Conference Server as e Administrator e Moderator Using the Monitoring Area as an Administrator While logged in to Conference Server as an Administrator you can Monitor users in a conference Dynamically control client participation in an active conference or in all conferences in your Conference Server domain Monitor dynamic statistics for a conference Get a real time snapshot of client participation in a conference Monitor dynamic statistics for a Conference Server Get real time bandwidth consumption and participation statistics for a particular Conference Server in your Conference Server domain Mo
230. th a monthly repeat option Conference Server will repeat the conference on September 5 2000 first Tuesday of September October 3 2000 first Tuesday of October and so on If you specify a day during the fifth week of a month as the start date Conference Server will repeat the conference on that day in the last week of subsequent months For example if your starting date is August 30 2000 fifth Wednesday of August Conference Server will repeat the conference on September 27 2000 fourth and last Wednesday of September October 25 2000 fourth and last Wednesday of October November 29 2000 fifth and last Wednesday of November and so on Click Next gt to continue 7 Select the number of participants you will allow in the conference The maximum number you can select was set by the your Conference Server administrator in the conference 115 Click to Meet Conference Server User Guide template While you can decrease the maximum number of participants you cannot increase or exceed the administrator s limit Click Next gt to continue Select a security option for your conference e This conference is open to everyone Conference Server will not try to authenticate users for this conference It will be open to participants on a first come first serve basis e This conference is password protected Users need to enter a password to connect to the conference CUseeMe protocol and NetMeeting users can specify a con
231. the Conference Server MCU per user controls on other MCUs You do not know who is on the other MCU you just get the mixed audio of everyone and the switched video the MCU chooses Intelligent Linking lets any audio or video be sent between the MCUs as well as all the user information e You cannot use simple cascading with Continuous Presence because the combined CIF output is not accepted as a QCIF stream on other Conference Servers Intelligent Linking lets each Conference Server receive the four separate QCIF streams and mix them on each Conference Server Setting up Simple Cascading The following are instructions for configuring two servers each registered with different gatekeepers In this scenario the gatekeepers are in different zones The Administrative GUI centrally manages the servers in this example HET H 323 Endpoln CUseeMe CUseeMe E E m Conference Server Conference Servar H 323 Endpoln H 323 Endpolnt MCU MCU Zone1 com Zone2 com 139 Click to Meet Conference Server User Guide 1 Configure the two servers as members on the Administrative GUl Network page 2 Set their respective H 323 domain names and register them with their gatekeepers In this example each Conference Server registers with a different gatekeeper and each gatekeeper manages its own zone For example Zone1 com is the H 323 domain name of the server with which the gatekeeper is registered 3 Set up a
232. thin the applet you can define which Conference Servers to link and the flow of data between them If you want to host a conference on a single Conference Server you need to create a layout with a single server configuration The Toolbar The Conference Server Layout Applet toolbar features the following tools Selection Tool Click the Selection Tool to put the pointer in selection mode You can select the icons and place them in the mapping area You can also edit delete and move them Conference Server Tool Click the Conference Server Tool to place a new Conference Server icon in the mapping area Multicast Tool Click the Multicast Tool to place a multicast icon in the mapping area The multicast icon represents a multicast group address or node Uni Directional Link Tool Click the Uni Directional Link Tool to create a one way link between two Conference Servers or between a Conference Server and a multicast group address When you use the uni 273 Click to Meet Conference Server User Guide directional link tool data flows in only one direction between Conference Servers Bi Directional Link Tool Click the Bi Directional Link Tool to create a two way link between two Conference Servers or between a Conference Server and a multicast group address When you use the bi directional link tool data flows in both directions between Conference Servers Top Provider Tool Click the Top Provider Tool to designate a Con
233. ties 125 Click to Meet Conference Server User Guide As shown in the following figure Conference Servers send media streams to a QuickTime Streaming Server The streaming server sends streams to clients unicast or network multicast The QuickTime player decodes the streams so that the media players are able to play them back Figure Conference Servers and QuickTime Server QuickTime Streaming Server Media Player Note When QuickTime media players are connected directly to the Conference Server without the intervention of the streaming server the Conference Server will not have the same quality control over streaming media connections as if using the QuickTime Streaming Server but Conference Server will deliver the specified media to the player in the format of RTP packets This connection is completely configured through the SDP file opened through the media player If you have multiple Conference Servers you need either multiple streaming servers or need to specify different ports in a single streaming server Multiple SDP files are required to specify these different ports To prepare for Conference Server QuickTime streaming you need to complete the following procedures 1 Install and start QuickTime Streaming Server and player To install QuickTime Streaming Server and player please refer to the related documents provided by the manufacturer Apple Computer or visit the appropriate Web site Be
234. ting sending a separate copy of the same information to each person You could accomplish the same task more efficiently by printing a single copy of the memo and posting it in a place where everyone in the office is sure to see it This is multicasting sending a single copy of information to a group address The multicast group address is the electronic equivalent of the office bulletin board 66 Click to Meet Conference Server User Guide Figure A shows the Conference Server distributing a single participant s data stream to three recipients in a unicast environment for simplicity of illustration we have shown communications flowing in one direction only Notice Conference Server must send the data stream three times once for each recipient Figure A Unicast Conference Figure B shows Conference Server distributing a single participants data stream to a multicast group address for simplicity of illustration we have shown communications flowing in one direction only Notice that Conference Server only needs to send a single copy of the data stream Any number of recipients can receive it from the multicast group address Figure B Multicast Conference Multicast Group Address The Internet and many corporate intranets are unicast environments While the Conference Server optimizes the use of bandwidth in a unicast environment unicast is not an efficient way to handle the demands of group multimedia communications ov
235. tipoint performance of T 120 client applications Conference Server s T 120 server handles all multipoint data processing taking the burden off the computer systems of individual participants and allowing more participants to connect e Reduced network traffic Network managers can reduce network traffic by distributing and connecting multiple Conference Server T 120 servers throughout an organization s wide area network WAN e Client access control conference scheduling and more The Conference Server allows you to set rules for a data conference which is not possible in a client controlled conference With the Conference Server the parameters you set for any videoconference also apply where possible to your data conference These parameters include user authentication and access conference scheduling conference time limits password and maximum number of participants allowed e Increased flexibility The Conference Server s T 120 server provides participants the flexibility to come and go from a conference Without the T 120 server the originator of the conference would have to stay in the conference About T 120 Transport Security The Conference Server supports a T 120 transport security feature that provides data encryption Currently only the Windows platform supports this security feature You can enable or disable the T 120 transport security on a server wide basis through the T 120 configuration file the t120 encry
236. to Meet Conference Server User Guide Scheduling The Conference Server scheduling feature lets you define the following for your conference e Start date and time e Stop date and time e Duration in hours e Repeat interval daily weekly or monthly This is particularly useful if you are not available to start or stop a conference manually You can also schedule numerous conferences at once without making the conferences available to participants in advance The Conference Server has the following scheduling options for new conferences e Always enabled e Always disabled e Limit access to scheduled time Always enabled Always enabled is the default option With this option the conference is available to clients as long as the Conference Server is available Enabled conferences display in the conference list that participants see when they first connect to the Conference Server If you select this option Enabled E displays as an attribute of the conference on the Conferences page Note When you create a conference template you cannot select the Always enabled option You can select it when you create a new conference from an existing template Always disabled Always disabled makes the conference unavailable to clients even if the Conference Server is available A disabled conference does not display in the conference list that participants see when they first connect to the Conference Server The conference only displays in t
237. to a telephone or other non H 323 endpoint Use of an alias requires that Conference Server be registered with an H 323 gatekeeper either its own or a third party gatekeeper Conference Server will send the alias to the gatekeeper which will in turn resolve the alias to an IP address if possible If the gatekeeper has no knowledge of the alias the callout cannot be completed Note e E164 aliases only apply to H 323 callouts not to T 120 or SIP callouts e For information on mapping an H 323 alias to an IP address for Conference Server s internal gatekeeper see the gk route command Click Invite to submit your call out request to Conference Server If the conference is active Conference Server will issue the call out to the H 323 client immediately If the conference is scheduled for a later time Conference Server will add the request to its call list for the conference and issue the callout when the conference begins When you are finished specifying your callout requests click Exit to quit the applet Using Conference Server s MeetingPlanner Applet Conference Server MeetingPlanner is a Java applet that gives end users the ability to create schedule edit and delete Conference Server conferences The conferences that an end user creates with the applet are based on template conferences that have been created in advance by an administrator MeetingPlanner de centralizes the conference creation process extending it to the
238. track file in the default directory If you define a 69 Click to Meet Conference Server User Guide new directory path but not a new name the Conference Server will save the track file with the default name cs lt id gt trk in the directory you specify Streaming This option is available only on the Add H 323 Conference page To enable streaming video for your conference select the Streaming option in the Miscellaneous section of the Add Conference page You can add or remove video streaming for specific IP addresses You must have the appropriate license option to enable this setting RADVISION also recommends that you use the default video and audio port settings To add streaming to a conference 1 Click Add A dialog box displays that prompts you to enter the destination IP addresses for the video stream 2 Enter the destination IP addresses for the video stream This is the IP address where you want the video to display 3 Enter the video and audio port settings If you want to edit streaming in a conference select the conference that you want to edit and click Edit If you want to disable streaming in a conference select the destination IP address the IP address where you do not want the video to display and click Remove H 263 Annexes To enable the H 263 annexes mode for a conference enter a selection in the H 263 Annexes section of the Add Conference page The Conference Server supports F and P5 annexe
239. ts participants Enabling T 120 for H 323 conferences To enable data conferencing for an H 323 videoconference select the H 323 w T 120 option when you add or edit a conference in the Conferences area When you submit the conference settings the Conference Server creates and starts a matching T 120 data conference on its integrated T 120 server No special configuration of the T 120 conference is required If you configure two or more Conference Servers to host the same conference the Conference Server creates and starts matching T 120 conferences on each server Furthermore if you link these Conference Servers together the T 120 conferences link also For example a corporation with a wide area network WAN has one Conference Server with an integrated T 120 server in the corporate office and another in a remote office For a sales training session the conference administrator creates an H 323 conference with a matching T 120 conference on the server at each location The administrator then links the two servers over the WAN in a bi directional conference Participants at each location connect to their local servers for bandwidth savings In effect the two conferences become one and all participants can videoconference and data conference together Note e When linking Conference Servers the conference configurations must be identical on each server If the configurations are not identical the T 120 servers do not link properly e
240. u want to make to the layout Click Apply 6 The Conference Server prompts you to save the conference and the layout You can e Apply this server layout and save the conference e Save this conference with the original layout 7 Click OK The Conference Server displays a confirmation Copying a Conference Configuration You can copy an existing conference configuration in order to create a new conference with the same settings When you copy a conference the Conference Server Administrator Web page removes the gkep alias and gkep confnickname settings from the copy The original conference remains unchanged You must issue the Telnet gkep alias and gkep confnickname commands to ensure that the nickname and alias settings for the new conference are unique and server wide To copy the configuration of an existing conference 1 On the Conference Server entry page click Conferences You can also click the Conferences con in the main navigation bar The Conferences page displays 2 Select the conference you want to copy Click Copy The Copy Conference page displays 3 Enter the changes you want to make to the settings You can edit any or all conference settings or leave them unchanged Minimally you must provide a unique Conference ID If you try to submit the conference without a unique Conference ID the Conference Server returns an error and does not save the conference For a description of each setting see Basic Settings an
241. umber of the conference to which they want to connect and username password if required for the conference Once submitted commands are sent to Conference Server associating the user with the specified conference When the user then connects to the Conference Server with an H 323 client application Conference Server automatically routes the user to the conference specified in the User Authentication Web page When a user makes an authentication request through the User Authentication Web page Conference Server is queried to determine the authentication method selected for the specified conference The following list describes how the User Authentication Web page works with the various authentication methods that you can specify when creating a conference If None is specified under User Authentication on the Add Conference page the conference does not require authentication There is no need to have CUseeMe protocol client users log in through the User Authentication Web page in this case The page can however still serve to route H 323 clients to a specified conference on your Conference Server Note Because Conference Server does not perform authentication checking in this case it is not necessary to have H 323 client users fill in the Username and Password text fields 87 Click to Meet Conference Server User Guide Conference Server If Conference Server Username Password authentication is specified under User authenticatio
242. uous Presence Mode applet However end users have the option of watching individual participant streams instead of the composite continuous presence stream They can do this by using Conference Server s H 323 VideoSwitcher Applet Using Conference Server s H 323 VideoSwitcher Applet Most H 323 clients today are designed for person to person videoconferencing as opposed to group videoconferencing As a result H 323 users have no standard way within their client applications to choose which participant to view from among multiple participants in a Conference Server conference The H 323 VideoSwitcher applet is a Java applet that end users access through a Web browser It allows H 323 users to participate more fully in a multi person conference by allowing them to select which participant to view from among multiple connected participants Before connecting to Conference Server s H 323 VideoSwitcher applet with your Web browser you need to be connected to a Conference Server H 323 enabled conference with an H 323 videoconferencing client Once connected to the conference launch your Web browser and connect to the following URL http lt yourserver gt 8080 cs h323 html where lt yourserver gt is the IP address or the host name of the computer on which your Conference Server Conference Administrator Web pages are installed For example you could enter the URL using either of the following formats http 100 11 2 3 8080 cs h323 html http
243. uring installation 2 Create an H 323 conference with the H261 CP4 codec specified as the required video codec Specifying the H261 CP4 codec enables continuous presence for the conference Note Configuring a continuous presence conference should be done through Conference Server s Conference Administrator Web pages rather than through Telnet because of the complex bandwidth issues associated with continuous presence When you have Conference Server s Continuous Presence option installed and create a conference with H261 CP4 as the required codec Conference Server s Conference Administrator Web pages will correctly set the send and receive rates for the conference 3 Create a user record in the Conference Administrator database with a user name and password Assign the user record Moderator or Administrator status for the continuous presence mode conference you created Note Administrators can by default use the Continuous Presence Mode applet for any H 323 continuous presence conference in your domain Moderators can only use the applet for those conferences you specifically assign in the user record To access Conference Server s Continuous Presence Mode applet launch your Web browser and connect to the following URL http lt yourserver gt 8080 cs cpmode html where lt yourserver gt is the IP address or the host name of the computer on which your 102 Click to Meet Conference Server User Guide Conference Server Con
244. ver which Conference Server s RADIUS client sends authentication requests to your RADIUS server The RADIUS protocol defines the UDP authentication port as 1812 but some older RADIUS server implementations use port 1645 Conference Server defaults to port 1812 In the field labeled RADIUS Accounting Port enter the UDP port over which Conference Server s RADIUS client sends accounting requests to your RADIUS server The RADIUS protocol defines the UDP port used for accounting requests as 1813 but some older RADIUS server implementations use port 1646 Conference Server defaults to port 1812 In the filed labeled Retry Limit specify the number of times Conference Server s RADIUS client will re send an authentication or accounting request if it receives no response from your RADIUS server The RADIUS protocol uses UDP as its transport protocol UDP does not guarantee that packets will be delivered from sender to receiver If Conference Server s RADIUS client sends a packet to your RADIUS server but does not receive a response it will repeatedly send the packet again until it receives a 122 Click to Meet Conference Server User Guide response from the server or reaches its retry limit 8 In the field labeled RADIUS Shared Secret enter an authentication password that Conference Server s RADIUS client will use to communicate with your RADIUS server The authentication password is known as a shared secret between RADIUS client and RADIUS
245. version or derivative of this code cannot be changed i e this code cannot simply be copied and put under another distribution licence including the GNU Public Licence 143 Click to Meet Conference Server Index accessing Conference Server s User Authentication Web page A 88 accessing MeetingPlanner n se 111 adding a conference coocococcccccccnccccnnononccnncnnnns 51 adding a Conference Server to the Conference Server domaine 17 adding user recorde c coococococccccccccocananonccnncnnnns 28 additional audio 10 address translation ooooonncccccnnnnnninnnococcconnnnnns 13 administrative Server ccceccceeeseeeeeeeees 101 administrator permission s es 83 admissions Control 13 admit reject Message secese 90 admitted senders oooocococociconnnininnnononncnnnnnnnnnno 54 assigning special permtssions 82 audio coderce re nresne nne 39 63 Delta Mod A ne neeeeeennn nen 63 DITA ELA E EAS 63 AAA ee Mh AE aca 39 Gi 723 EE 39 el EE 63 A E 63 MONA A AA 63 audio Jotenc 65 automatic bandwidth controls 42 avoiding Conference Server layout conflicts 80 backing up the Conference Administrator e cercania 28 backup fileS 2 cccc ieee aai 28 bandwidth controls A 13 58 bandwidth deiechon 42 bandwidth Pruning omoocccconoccccnnnoncccnnnanccccnnns 42 basic settings ioiai aa 52 bidirectional link tool 73 billing archttechure 120 biling SYSTEMS ooooooonnoccccnonococcnnnanccn
246. ves the user record and then displays the Search User Database page You can also remove a record from the Edit User Record page As an alternative to removing user records you can create an organization for inactive records and move user records to it 345 Click to Meet Conference Server User Guide Conference Server T 120 Features The T 120 security feature is a server wide feature that is disabled by default If you enable it the T 120 server allows you to initiate and accept secure calls only You can enable this feature manually or you can use the Telnet T120 encryption command Data Conferencing with the Conference Server T 120 Server The Conference Server is actually two integrated servers with a common user interface In addition to a videoconferencing server the Conference Server includes an integrated T 120 server for data conferencing The Conference Server s T 120 server makes it easy to add multipoint data conferencing to a videoconference Depending on the T 120 client applications used participants can share edit and annotate documents and images view formal presentations and even share applications such as spreadsheet or word processing programs The Conference Server s T 120 server provides the benefits of client server architecture to multipoint data conferencing These benefits include e Improved performance and reliability for large conference hosting The Conference Server s 1 120 server improves the mul
247. w many are not in your Conference Server domain e Number of participants currently connected to the conference across all servers in your 97 Click to Meet Conference Server User Guide Conference Server domain e Individual reports for each server in your Conference Server domain reporting number of participants connected to the conference locally and the average amount of time participants have spent connected Conference Server displays connect time in HH MM SS format where HH hours MM minutes and SS seconds You can update the conference statistics at any time by clicking the Refresh button at the bottom of the Monitor Statistics page Note In order for dynamic statistics to work you must set the interval at which Conference Server logs historical statistics to an integer greater than 0 You do this when you add or edit a Conference Server to your Conference Server domain See Historical Statistics for more information on this Monitoring Dynamic Statistics for a Conference Server To obtain bandwidth and participation statistics for a specific server in your Conference Server domain 1 Click the Monitoring icon on the Conference Server entry page or click the Monitoring icon that displays in the main navigation bar The Monitoring page appears 2 Click the selection button labeled For a Server under Dynamic Statistics on the Monitoring page 3 From the pull down menu select the Conference Server for which y
248. will take you instead to the final screen described in Step 11 MeetingPlanner displays the default invitation message that will be sent to the e mail addresses you specified in the previous step Review the message and modify it in the text box as desired Note MeetingPlanner e mail notification is sent only ONCE even for scheduled or repeat conferences The e mail is sent at the time of conference creation Click Next gt to continue MeetingPlanner displays a screen with a list of the settings you chose for your conference Check to see that these settings are correct lf you want to change a setting click lt Back until you reach the appropriate screen lf you are satisfied with the settings click Finish MeetingPlanner will create your conference Participants will not be able to enter the conference until five minutes before the scheduled start time Option This conference is password protected 9 Enter a password for your conference in the Password field Make sure that you have entered the password correctly by entering it again in the Verify field If you would like to include the password in the e mail invitations MeetingPlanner sends out for the 116 Click to Meet Conference Server User Guide conference select the check box labeled Append password to the URL of outgoing e mails Click Next gt to continue A screen displays that allows you to define addresses to which MeetingPlanner will send
249. y of June the Conference Server schedules subsequent conferences on July 28 2004 the fourth and last Wednesday of July August 25 2004 the fourth and last Wednesday of August and September 29 2004 the fifth and last Wednesday of August A scheduled conference requires that you select the Limit access to scheduled time option You must also complete the Start Date Start Time Duration and Repeat Conference fields Bandwidth Controls The Conference Server has several manual load controls that help you to manage the load on your servers and your network In CUseeMe protocol only conferences you can choose the bandwidth controls Maximum Send Rate This option is available only on the Add CUseeMe Conference page The Maximum Send Rate field defines the upper limit in Kops to which CUseeMe protocol users can set their send transmission rate when connecting to your conference This allows a participant to connect to a conference only if that setting is below the Maximum Send Rate you specified for the conference Maximum Receive Rate This option is available only on the Add CUseeMe Conference page The Maximum Receive Rate field defines the upper limit in Kbps to which CUseeMe protocol users can set their receive rate when connecting to your conference If you set the client Maximum Receive Rate to a number higher than the Conference Server allows the Conference Server automatically negotiates the settings to match for CUs
250. you try to create a conference with an ID number that is already in use in the domain Private The Private attribute keeps the conference from being displayed in the conference list This adds an additional measure of security To connect to a private conference users must know the Conference ID CUseeMe protocol users can enter this information in the connection dialog H 323 users can specify a Conference ID when they connect through the User Authentication Web page or use a terminal alias when connecting through a gatekeeper NetMeeting users can also specify the 52 Click to Meet Conference Server User Guide Conference ID followed by a space and the Conference Name in the Advanced calling dialog box of their client application Conference Name The Conference Name describes the conference and displays with the Conference ID in the conference selection box and on the Conferences page You can enter any combination of letters a z upper or lower case numbers and spaces up to 50 characters Conference Greeting The Conference Greeting is a conference specific message that displays when CUseeMe protocol participants first connect Enter a message of up to 1055 characters minus the version string that the Conference Server automatically generates which is approximately 45 characters A typical greeting includes the following e Name of your organization e Location of the Conference Server e Contact information such
251. ystems The table below summarizes when users should use Conference Server s User Authentication Web page Table Use of Conference Server s User Authentication Web page Client Authentication method CUseeMe protocol users Conference Server authentication by username password RADIUS authentication H 323 users 6 Conference routing with no authentication 7 Conference routing with IP based Conference Server authentication 8 Conference Server authentication by username password RADIUS authentication For specific instructions on accessing the User Authentication Web page see the next section Accessing Conference Server s User Authentication Web Page Accessing Conference Server s User Authentication Web Page To access the Conference Server User Authentication Web page videoconferencing users need to follow these steps 1 Enter the following address in a Web browser http lt yourserver gt 8080 cs index html where lt yourserver gt is the IP address or the host name of the computer on which your Conference Server Conference Administrator Web pages are installed For example to connect to the User Authentication Web page for a public Conference Server a user needs to 88 Click to Meet Conference Server User Guide enter either of the following URLs Universal Resource Locator in the Web browser http 209 143 192 6 8080 cs cs index html http cafe radvision com 8080 cs index html 2 Onc

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