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GTT USER MANUAL

1. sss 11 Simple 11 Redundant Hot Swappable Power Supply 11 CHASSIS AND COMPONEN UDS iter t ye errore Tre e er e ER E 12 Chassis do A E S t adire nitent tto dud tute mr PI eU 12 BIG rae 12 Ig 12 Front VIeWs apice rou field se bias 13 Control Module scc eei tee eae OR HR RERO 13 TVET Module eerta te ee eet 15 View cite ev deed DU 15 Power Supplies 5 eene e e epe epe te beoe oreet se 15 eere gente ite ep ot rr 16 INS TALLING EHB GIT LR ERREUR PE UR IX GNO ON RU CA UR IE 17 Site Preparation seed vd ea eae bnt e e he Edi 17 Installing the Chassis eee tera epe eee tenente et eme qt et 18 Connecting POWER decode obe CIRCO UE S 19 Configuration xc ostendet dip deum ot bene ose etae tp 19 GETTING STARLDED ost oe HU m eR UE e RENE EN E de 20 Startins the Gols detur E ERREUR UR EP 20 Understanding the GTT Web GUI sees 22 Introduction ere deo erm eter HER HERE PER ere iere res 22 WebGUI Navigation
2. 192 168 9 6 Eth3 Subnet Mask 955 255 0 0 1 EAGT Eth3 MAC Address DNS DNS Server DNS Server TIME Server 198 60 22 240 TIME Server 208 184 49 9 Timeout m fio Interval m Figure 7 Network Settings Host Name The Host Name parameter allows giving the GTT a name For Configuring the GTT example it could be set to GTT 3rdSt NYNY Valid domain name characters and symbols are allowed Local IP Address The Local IP Address parameter reports the address that is currently being used This value is useful to make sure management connectivity with the system is not lost when making configuration changes Default Gateway The Default Gateway parameter allows configuring the default IP route for the GTT Ethernet Configuration While there are three Ethernet ports on the GTT only Ethernet ports one and three may be configured IP Address The IP Address parameter configures the IP address of the Ethernet port The standard IP address format is accepted aaa bbb ccc ddd The default setting is 192 168 2 240 Make sure this address is valid and accessible from where you are An invalid setting will require a caution site visit to recover remote access to the Subnet Mask This configures the subnet mask of the Ethernet port The format of the mask is aaa bbb ccc ddd The default setting is 255 255 255 0 MAC Ad
3. IP 222 34 55 1 CPNX ROUTE ISDN 2 then route to ISDN span 2 Example Relay Traffic to Another VoIP Platform Configuring the GTT In the following example traffic will be moved to another VoIP platform that has a common access number e g 17909 IP 222 34 55 1 CPNX REPLACE 2680000 IP 222 34 55 1 CPNX RELAY 17909 calls from 222 34 55 1 will have their calling party number replaced with 2680000 Next after 17909 cut through the GTT will pulse out the CDPN in band DTMF and let the 17909 platform make the final connection Example Traffic Redirection Sometimes the IP traffic to the GTT has a CDPN prefix that tells us where to relay the traffic IP 17909 REMOVE 5 IP 17909 RELAY 17909 IP 17909 ROUTE ISDN 2 3 First the GTT removes the CDPN prefix that is used for routing 17909 is removed Next the GTT calls the 17909 access number After connecting to the 17909 platform the rest of the CDPN is pulsed out in band DTMF and the connection is made by the 17909 platform IP Table The IP Table shown in figure is used to identify which SIP Server IP address es may use the GTT Addresses appearing in the table are allowed to use the GTT If the table is left empty then all addresses are allowed Route Table Figure 10 IP Table Configuring the GTT ISDN Configuration The GTT always has four interfaces Capacity is determined by the processing power purchased and supplied by th
4. on page 29 Route Table IP 192 168 9 4 5060 Figure 9 Route Table Route Table Syntax Route Table statements use the following syntax Format Source Number Handle Parameter Or Format Source Number ROUTE Destination Parameter Source Configuring the GTT Source can be ISDN or IP When source is IP an address can optionally be specified e g Xxx Xxx xxx xxx or XXX XXX XXX XXX port Number The default number is called party number If the calling party number is being used add CPN in front of the number The Number can be A specific number like 114 61202700 A number prefix like 61 61x5 or 61 A number range like 268 0 1 3 9 Handle The Handle parameter can be KEEP digits from left or right REMOVE digits from the left or right ADD prefix or suffix number REPLACE prefix or the whole number END digit manipulation SEND180 force send 180 on ring back SEND183 force send 183 on ring back HIDE calling party number presentation CODEC for the call RELAY First connect to a configured number then after connected out pulse the real number Destination The Destination parameter can be NONE call restricted IP The address and optional port number are specified To specify local IP the following entries are valid localhost 5060 or 127 0 0 1 5060 ISDN ISDN span number can be specified Route and Map Examples The following examples are designe
5. 43 Line Type 43 bine UA 44 Clock Timing ioc es etm eorr e Her e eae 44 ere ve RR S ROI 44 Digit AJUS eeii Ee en e rH rM RE des ots aso 44 Optional Settings onere o e SU E err 44 Optional System 66 2 2 48 44 Optional IP Settings ote ere rete e eee d ete eee re 47 Optional SIP SOU ms oer ccs reete reden reme E Pe edet 51 Optional ISDN Settings sss 55 MONITORING dii t er pde ae dae aeter Ud x WR REESE 57 n ener UR ee t EU 58 Login User Info eese RERBA EE RE UR 58 SIP Registration Info esce eee tenen reete tetti dee oec eres 58 Call Comte xt Info ere tn tete eat em nte nei 58 RTP Context Info eere EORR NOE IRR ees 59 ISDN Status co eoo RR ERR ae d Eo ees 59 ISDN Group ID otro y e ERR E EP URS 59 D dom iue ite 60 ense e eee e e o E 60 RUNG erp ar E 60 DST 60 SNOT AST ASO DOR UR DUO RORIS 61 Equipped MAP ode eere ro ORE ER DIVER desis EXTR 61 lai 61 Bienne
6. E1 UP DCH slot dsl dsO 2 1 16 Equipped MAP Oxfffefffe Free MAP Oxfffefffe iLineType MF LineCode HDB3 LineBuildOut E1 120 Ohm IClockTiming LOCAL Payload ALaw ISDN Group ID 2 state 005 IntId 0 side USER echo ON hunting FORWARD 051 E1 DOWN DCH slot dsl ds 2 2 16 Equipped MAP Oxfffefffe Free MAP Oxfffefffe LineType E1_MF_CRC LineCode HDB3 LineBuildOut E1 120 Ohm ClockTiming LOCAL Payload ALaw ISDN Group ID 3 state MOOS IntId 0 side USER echo ON hunting FORWARD 051 1 DOWN DCH slot ds1 ds0 2 3 16 Equipped MAP Oxfffefffe Free MAP Oxfffefffe iLineType MF LineCode HDB3 LineBuildOut E1 120 Ohm IClockTiming LOCAL Payload ALaw ISDN Group ID 4 state MOOS IntId 0 side USER echo ON hunting FORWARD 051 E1 DOWN DCH slot dsi dsO0 2 4 16 Equipped Oxfffefffe Free Oxfffefffe Figure 18 ISDN Status Information Screen ISDN Group ID This field reflects the current setting of the ISDN Group setting For more information see Group on page 42 Monitoring State There are three possible values for state Table 4 ISDN States State Definition Description IS In Service In service currently used OOS Out of Service Not currently used MOOS Manual Out of Service Continuously not invoked and backup signaling channel 15 not invoked can t be used In
7. This parameter controls whether the proxy information or domain name information set in SIP Setting section will be used by SIP To If set to Enable the GTT will use the domain name information If set to Disable the GTT will use the proxy information SIP Using Hostname This parameter controls whether the proxy information or hostname set in SIP Setting section will be used by SIP lt Call ID gt If set to Enable and the GTT will use the hostname information If set to Disable the GIT will use the proxy information Max Forward The Maximum Forwarding Times of Signaling parameter controls the maximum number of times a signaling packet will be forwarded If the limit is exceeded the signaling packet will be discarded This parameter can be set from 1 70 The default setting is 60 Times A B D K These parameters are read only and are used for troubleshooting purposes Configuring the GTT Optional ISDN Settings Figure 16 shows a screenshot of the optional SIP settings 1508 Relay Relay Timeout ms fo Digit On Time ms ion Digit On Time ms ion Relay Hold Connection Relay Hold Alert Relay Hold Muscic Rtp NoActivity Timeout No Figure 16 Optional ISDN Settings Relay Timeout The Relay Timeout parameter sets the delay in milliseconds from the time the ISDN relay connection is made to the time the CDPN is pulsed out using in band DTMF Digit On
8. 0x0002 A typical application is for large company PBX expansion gt gt IP gt GTT1002 gt 2 Enable second stage dialing When an ISDN call comes in the GTT will cut through and play dial tone while collecting digits for further routing This is used in calling card or PSTN VoIP number bonding applications 0x0004 Table4 ISDN Flag Settings Setting Behavior 0 0008 This setting is used in conjunction with second stage dialing 0x0004 and plays an announcement instead of dial tone for digit collection The GTT has pcm files audio format that can be customized and loaded for this application Contact GED support for more details 0x0010 This setting is used in conjunction with second stage dialing 0x0004 If configured after digit collection the GTT will use the original CPN for Configuring the GTT the CPN of the second stage dialing of the call Otherwise the original CDPN will be used as the CPN of the second stage 0x0020 This setting is used in conjunction with second stage dialing 0x0004 If configured after digit collection the collected digits are attached to the original CPN and sent to the softswitch as the CDPN for further routing Otherwise the collected digits are sent to the softswitch as the CDPN for further routing 0x0100 Any CPN not starting with O will be set to type SUBSCRIBER Otherwise t
9. 22 2 2 2 1 1 1 0600 0 010 0100000000 24 CONFIGURING THE Gr ET pO ee oie e epe 25 System Configuration sarnane i ee On ettet uel te e tu tds 25 Software Version IS ere te beth 25 Hardware Version senem e ren b Pee 26 DSP Versio scooter ere Ee rr tases PEE rr E Fere 26 RTP Port Min and 26 First Digit TimeoUt cete et tes ine 26 Inter Digit rore Ecke 26 Critical Digit TimeOUt esee eene enne e deett eerie 26 DTME Method ee A E E E EH De RS 27 Default Codec ere ener REED RR FERE 27 Echo Cancellation esee ert ee ee e 27 SIP Config ration eure err TU UE RR RU UI E He 28 SIP POM 28 SIP PROXY o niet et rte e EN UE et Die en Rae UE a wuss 28 SIP Registrar EROR oia i I e 29 Registration Expires s enne ert tree tie e Rees EE E Pere gd 29 SIP ie aln etui e dier ER NN eo ree edits 29 Authentication Mode sss eene ener eene tenete ene 29 User Name erret SR IRURE EDU REN GR OO TRAN QUESTO Ee 30 PaSssWOId e oreet te ise rei toa ee tek v TES Ua ER Ran 30 Network Configuration ee E 30 Host N me er ER ERR
10. LineCode This field reflects the current setting of the Line Code parameter For more information see Line Code on page 45 LineBuildOut This field reflects the current setting of the Length parameter For more information see Length on page 45 Clock Timing This field reflects the current setting of the Clock Timing parameter For more information see Clock Timing on page 45 Payload Monitoring This field reflects the current setting of the DSO Type parameter For more information see DSO Type on page 45 Monitoring ISDN Call The ISDN Call Information screen is shown in Figure 19 The following sections provide additional details on the ISDN Call Information screen IGROUP 1 ts dsp remote local codec ref state cpn cdpn timestamp callid a 01 Oxffff IDLE 02 Oxffff IDLE 03 Oxffff IDLE 04 Oxffff IDLE 05 Oxffff IDLE 06 Oxffff IDLE 07 Oxffff IDLE 08 Oxffff IDLE 09 Oxffff IDLE 10 Oxffff IDLE 11 Oxffff IDLE 12 Oxffff IDLE 13 Oxffff 14 Oxffff 15 Oxffff 17 Oxffff IDLE 18 Oxffff IDLE 19 Oxffff IDLE 20 Oxffff IDLE 21 Oxffff IDLE 22 Oxffff IDLE 23 Oxffff IDLE 24 Oxffff IDLE 25 Oxffff IDLE 26 Oxffff IDLE 27 Oxffff IDLE 28 Oxffff IDLE 29 Oxffff IDLE 30 Oxffff IDLE 31 Oxffff IDLE Figure 19 ISDN Call Information Screen Group ID This field reflects the current setting of the ISDN Group setting For more information see Group on pa
11. waiting for response response N22 Call This state exists Terminate when the call is point to multipoint connection before any user can get the call the call is disconnecting Monitoring Table 5 Call States Serial State User Side Call Network Side Call Number Status Status U25 Overlap This state exists This state exists when N25 Reception when a number is a number is being being called in at called in at the same the same time the time the user has user has confirmed received the the call setup confirmation request and prepare information of call to receive the call set up request which information with denotes that the overlap mode if network is allowed to any send forth call information to the user with overlap mode CPN This is the calling party number CDPN This is the called party number Timestamp The timestamp value reports the setup time which is always 0 and the connection time As shown on the screen the format 1s setup time connection time Timestamp values are measured in seconds CalllD The CallID is a number that is used to identify a call when SIP is switching information The length and value of the CallID are randomly generated Monitoring Message Log The Message Log is shown in Figure 20 This page shows most recent SIP and ISDN messages received or sent out in GTT The size of this page is approximately 100 150 line
12. which denotes that the information of call network has received all set up request which the call information denotes that the which would be used to network has received set up a call all the call information which would be used to set up a call U4 N4 Call This state exists when a This state exists when Deliver number is being called a number is being out at the same time the called out at the network has received the same time the remote indication for network has beginning to send forth instructed the remote reminder signal user beginning to send forth reminder signal U6 N6 This state exists when a This state exists when Present number is being called a number is being in at the same time the network has received the call set up request but no response to it called in at the same time the network has sent forth the call setup request but no satisfied response received Table 5 Call States Monitoring Serial State User Side Call Network Side Number Status Call Status U7 N7 Call This state exists when This state exists Received a number is being when a number is called in at the same being called in at time the user has send the same time the forth reminder user has received indication but no the reminding response is received indication but no response is received U8 N8 Connect This state exists when This state exists R
13. 43 Configuring the GTT Disabling Echo Cancellation overrides the setting of the same name found in the ISDN configuration window See Echo Cancellation on page 43 SIP Configuration By selecting SIP from the navigation menu the SIP configuration screen will appear See Figure 6 SIP Settings SIP Port p SIP Proxy flocalhost 5060 SIP Registrar Registration Expires s 5o 0 SIP Domain Name Authentication Mode Per Gateway Reg gt User Name Password Figure 51 Settings 51 Port The SIP Port parameter is used to set SIP local port The default value is 5060 The value can be any setting so long as it isn t used elsewhere SIP Proxy SIP Proxy allows a SIP Proxy to be designated for the GTT The format of the SIP Proxy is the address or domain name separated from the port number by a colon Two examples of valid settings are 202 202 2 202 5060 softswitch com 5060 i When using the domain name format of an address you o must configure and activate the DNS service in the caution Network Setting screen Configuring the GTT SIP Registrar SIP Registrar allows SIP registrar server to be identified The format of the SIP Registrar is the address or domain name separated from the port number by a colon Two examples of valid settings are 202 202 2 202 5060 softswitch com 5060 When using the domain name format of an address you must
14. PEE EE 61 LineBuildOut ertet ee ern alata tite eda 61 Clock Timing eee tee e e ER steed XR Ree ERR 61 ene o RERO ATO RR 61 ISDN Call sense auno he hs een eee te n qe 63 Group ID celiac Eee er e eae Hee a ne ere e eene 63 TS 222 1 2 2 1 01 0 2 0040020 enne eene eene enne 63 DSP e p edd 63 eo dte etienne tnde niet aet i ase ta 64 at etc he E LH 64 E ee iden i eed 64 Ref Call Reference eae Siecle ee epe er ee 64 than a Tine ern ain n ee 64 icra eate d 70 CDBN entere eee tee e Unt 70 Timestamp o e RR eet ree euet 70 EA MAE 70 Message Log E 71 71 SXSTBEMCTOOLS 5 OE RE HEURE RGNA UN UTR 73 Factory Setting P 73 PST ae cess seek M M 74 KEPT 74 User ntis Pete e ane Re es 74 PassWOId o recen tte tete fete ea eda tret eee 75 Fil
15. Settings screens can be accessed by selecting Optional from the navigation area on the left side of the WebGUI screen Optional System Settings Configuring the GTT Figure 13 shows a screenshot of the optional system settings Sys Log Server Debug Log Server Local Log Port 514 Event Log Level 3 Country ID China 7 Forwarding Number Mode Forwarding Number v NAT IP Address __ NAT Refresh Timer s 80 04 11 No M STUN STUN Server RADIUS Client Side RADIUS Server Side RADIUS ISDN Side RADIUS Start RADIUS Unsuccess Stop Off RADIUS Param Off be Primary Server 1 Secondary Server 2 71 Key F Timeout s s Retries Figure 13 Optional System Settings Event Log Level The Event Log Level defines the significance of an event that will be logged Allowed values are 1 5 The default setting is 3 The higher the number the greater number of event types will be recorded N caution oe performance Country ID It is not recommended that the Event Log Level be set to a number greater than 3 for a normally functioning system Settings greater than 3 will affect system The Country ID is used to allow the GTT to customize various information presented to the user The default is US Forward Number Mode Configuring the GTT When call forwarding is used this parameter defines which number is in
16. Time This parameter in millisecond is used to set pulsing digits on time Digit Off Time This parameter in millisecond is used to set pulsing digits off time Relay Hold Connection The Relay Hold Connection parameter defines the delay time in seconds from the time the ISDN relay connection is made to the time the SIP connection message is sent out The reason for delay is because the final connection is made by another platform using in band DTMF and it may take time to make the final connection Relay Hold Connection should be set according to the maximum connecting time of the relayed platform For example in the 17909 platform application in China the maximum connection time for a call to Europe is approximately 30 seconds Configuring the GTT N If media activity is detected before time specified GTT will immediately send out the SIP connection message note Relay Hold Alert The Relay Hold Alert time defines the delay in seconds from when a receiving alert on the ISDN relay connection is received to when the SIP alert message is sent The Relay Hold Alert time should be less than that of Relay e Hold Connection caution If media activity is detected before the time specified the GTT will immediately send out the SIP connection message note Relay Hold Music The Relay Hold Music defines the pcm file sequence number for the hold music A setting of 0 indicates no hold music If it is confi
17. VIR PEE UR 30 Local IP Address cent tere eere RENI ER eR MERE EUREN DESEE HERE 31 Default Gateway eed eter nero 31 Ethernet 31 P c 32 EMS S rVet eco diei theta eit aite i had etd 32 TIME tonem ease aot Ra aad ota itte e 32 Route and ese eee a RR EE EO ERE 32 Digit Map oorr Rene e bei DRE tone ne ES 33 Route Table eee Dr IE DE ENERO RETE 34 Em 38 ISDN Config rdtion sis oc nets tete ee ere ME pet Rees 39 ust REIN SE ER 39 i o e 39 M 41 Interface ID 5 tee entre Heer t Ee e T ein 41 umes 41 Ll PETER 42 Switch Side oet ete ete e EO eee re Rex eee eere eter eod 42 Switch Type nte o RO RR RO ERR II e RR IR TOU 42 Hunting one ee n A IR Re d 42 Echo Cancellation nere eer tr e Re eet 42 ISDN CirCUIL nero tU ORG D RO EUR FIOR ERU UR UPON 42 TPM Configuration 5 eter e eei eo e etit 43 DSA Type eer erre t 43 DSO TYPE M
18. Warnings 258 Notes show useful information and or contain information requiring attention note N o Cautions show information requiring extra attention caution Warnings are information that if not followed could result in injury or equipment damage warning How Numbers Are Used When numbers are shown in this book they can appear as descriptive values or as data to be manipulated internally Decimal values are used frequently however alternate number bases are useful when internal data is shown Large Decimal Numbers Numbers greater than 9999 display in SI metric style where whole numbers that contain more than four digits are broken into groups of three digits that are separated by spaces For example the number sixteen thousand three hundred eighty three is shown as 16 383 This avoids confusion between American and European punctuation conventions However a number that is internally manipulated by a computer is shown without punctuation or spaces For example notice how the value 65 535 appears in the following instruction without a space or a thousands separator within the number Specify 65535 as a maximum value Numbers with Different Bases All numbers shown in this book decimal values unless the number base is binary or hexadecimal In these cases an identifier precedes a binary or hexadecimal number For example the value of binary 1010 the value of hex 4F Replaceable Input Value
19. and accompanying written materials on a permanent basis provided you retain no copies and the recipient agrees to the terms of this Agreement If the Software is an upgrade any transfer must include the most recent upgrade and all prior versions TABLE OF CONTENTS ABOUT THIS BOOK estote pre e e eta e ea ete ER es 6 WHO SHOULD USE THIS BOOK derer pere PU ter i eene SEA Und 6 CONVENTIONS USED IN THIS 6 Notes cautions and Warnings coe oni RE tte e e e toi ie eei eased 6 How Numbers Are Used ne 7 Replaceable Input Values 5 5 enti nte er eet Ree rena Rega 7 GEFTING HELP died Aven hea o eet 8 Checklist Reda east td de ideis 9 COMLACIS e 9 INTRODUGHBTPION S iei intet OE a EROR E NE REIR EUR 10 iU 10 hut A 10 One to Four T1 E1 Span Capacity 2 2 22 21 4 14 10 Scalability eS 11 5 treten er n t XE gases 11 Quick and Easy Installation
20. configure and activate the DNS service in the caution Network Setting screen Registration Expires The Registration Expires parameter defines how often the GTT re registers with the SIP server The default value is 3600 seconds SIP Domain Name SIP Domain Name defines the domain name If the SIP Domain Name is not configured the GTT will use the address of the SIP Proxy The format of the SIP Registrar is the address or domain name separated from the port number by a colon Two examples of valid settings are 202 202 2 202 5060 softswitch com 5060 When using the domain name format of an address you o must configure and activate the DNS service in the caution Network Setting screen Authentication Mode The Authentication Mode parameter defines how the gateway will register with the proxy server It may be configured to Per Gateway Registration Per Endpoint or Per Gateway Authorization Configuring the GTT User Name The User Name parameter is the user name that will be used to register with the proxy Password The Password parameter is the password that will be used to login to the proxy Network Configuration By selecting SIP from the main screen the SIP configuration screen is shown in shown in Figure 7 Host Name cvxs 1 80 Local IP Address 192 168 9 6 Default Gateway 192 168 2 1 Eth IP Address Ethl Subnet Mask Ethl MAC Address 00 0E 49 10 02 32 Eth3 IP Address
21. 0 initDSP DSP 2 exist cnt 0 initDSP DSP 3 exist cnt initDSP DSP 4 exist cnt 0 initDSP DSP 5 exist cnt initDSP DSP 6 exist cnt 0 initDSP DSP 7 exist cnt 0 initDSP DSP 8 exist cnt 0 Figure 21 Startup Information Log SYSTEM TOOLS This chapter discusses the system tools available on the GTT Monitoring information is available on the WebGUI by selecting Tools from the left navigation pane The GTT provides the following system tools Factory Settings on page 73 Upgrade on page 74 Change Password on page 74 Reboot on page 75 Factory Settings As shown in Figure 22 the Factory Settings selection will ask for confirmation to restore the system to its factory defaults i Restoring factory settings to a remote GTT will cause the IP Address used to access the system to revert to its default caution This will likely cause remote access to be lost Factory Setting NOTE Push the button will change the gateway configuraion back to factory setting including network setting Figure 22 Factory Settings System Tool Upgrade The Upgrade screen is shown in Figure 23 After entering the required information and selecting Upgrade the GTT will download the software After the download is complete the GTT will prompt you to restart the gateway to implement the new software N Oe After selecting Upgrade do not perform any operations on the GTT Allow the
22. GTT USER MANUAL Release 2 2 Software License Agreement Any software product including any documentation relating to or describing such software hereafter collectively called Software provided by GED is furnished to you for installation and use on a single computer The Software may not be copied in whole or in part except for archival purposes to replace a defective copy or for program error verification You may not reverse engineer decompile or disassemble the Software except to the extent such foregoing restriction is expressly prohibited by applicable law Unless earlier terminated by GED as herein provided the term of each paid up license shall expire at such time as you discontinue use of the applicable Software on the single processor specified above but otherwise shall be without restriction as to time The Software including any images applets photographs animations video audio music and text incorporated into the Software is owned by GED Therefore you must treat the Software like any other copyrighted material for example a book or musical recording except that you may either a make one copy of the Software solely for backup or archival purposes or b transfer the Software to a single hard disk provided you keep the original solely for backup or archival purposes You may not copy the printed materials accompanying the Software You may not rent or lease the Software but you may transfer the Software
23. Password operator Figure 24 Change Password Screen Reboot The Reboot screen is shown in Figure 25 System Tool Reboot Click the button to reboot GYXS 100 Figure 25 Gateway Restart Screen TROUBLESHOOTING This chapter contains information to help you solve problems that may occur while installing and using the GTT gateway GETTING HELP If after installing and configuring your GED equipment you cannot establish Technologies to or from the unit carefully review the information in this book and in the other books prior to calling Customer Support CS Before going any further ensure that you have checked the following Console Port configuration Verify that the baud rate of your terminal is set to 9600 bps Power reset When cycling power be sure to leave the power off for a minimum of 30 seconds before reapplying power to the unit Command review Review the GTT gateway commands in the Configuration chapter Software version To ensure that you have the latest enhancements and product features GED ships every unit with the latest software version Therefore when you are installing or reinstalling units into your system verify that each unit is equipped with identical software versions Checklist If after carefully reviewing the information in this manual your problem persists contact your product representative or a service representative at GED s Customer Support CS So we can serve y
24. Unsuccessful Stop The RADIUS Unsuccessful Stop parameter defines whether the transmits a RADIUS record of an abandoned call when the charging function of the RADIUS client or server is turned on This feature may be configured to Enable or Disable RADIUS Parameter If the RADIUS Parameter is set to Enable then the GTT transmits H323 CONF ID If it is set to Disable then is H323 CONF ID doesn t exist it is replaced with CALL ID Primary and Secondary Server The GTT allows the configuration of up to two RADIUS servers To configure a RADIUS server its IP address and port must be entered If the port number is left off the default port of 1813 will be used The format of the entry is aaa bbb ccc ddd nnnn Key A key must also be entered to protect communication between the RADIUS client and server The settings of the key between the client and server must match Timeout The Timeout parameter defines the timeout period for the RADIUS functionality of the GTT The default is 3 seconds Retries The Retries parameter designates the number of times information will be retransmitted when an acknowledgement is not received The default setting is 3 times Optional IP Settings Figure 14 shows a screenshot of the optional IP settings Configuring the GTT IP Optional RIP Jitter Param 1 RIP Jitter Param 2 2833 Payload Type Reserved Codec Payload Type RIP Event Duration Drop SID RIP Media Function RIP Ac
25. and Components T1 E1 Module The T1 E1 Module shown in figure 3 always has four active RJ 45 connections Pinouts are shown as follows RJ45 Pin out 1 2 3 4 3 6 Description RX Ring RX Tip NC TX Ring TX Tip NC NC NC Since the Control Module controls the capacity of the system only the supported numberof T1 E1 lines should be connected Figure 3 TI EI Module N oe Do not connect lines in excess of the system s capacity To determine the capacity of the GTT see the product caution label Rear View Figure 4 shows the rear view of an GTT chassis Power Supply 1 Power Supply 2 FAN FAN 2 Figure 4 GTT Gateway Rear View Power Supplies The GTT contains two auto ranging power supplies They are capable of 100 240 VAC 47 63 Hz The supplies are redundant and hot swappable While both supplies are installed both are running and sharing the power load of the GTT The power light indicates that the supply is on and in use The alarm light indicates that the indicated power supply is not functioning properly Chassis and Components Fans The GTT chassis contains two fans that provide cooling for the system Both fans are required to be operational for the system to operate correctly in its specified ambient temperature INSTALLING THE GTT The installation of the GTT gateway requires a few simple tasks Site Preparation Power I
26. arameter defines the send gain Set between 1 and 4 while set to 1 will adjust signal to one half of its original amplitude set to 2 will keep the original signal amplitude set to 3 will adjust signal to 2 times of its original amplitude set to 4 will adjust signal to 4 times of its original amplitude The default setting is 2 Optional SIP Settings Figure 15 shows a screenshot of the optional SIP settings Configuring the GTT SIP Optional Response Using Received Port Response Using Proxy Port RIP Port Mapping Always Send 180 Always Send 183 180 no SDP CODEC Using local config lists CPN From Request Line Do Not Validate Via Registration Keep Domain Registration Keep Contact SIP VIA Using NAT SIP TO Using Domain Name SIP CallID Using Hostname Figure 15 Optional SIP Settings Response Using Received Port This parameter is used to set whether the GTT uses the receive port as the reply port If Response Using Received Port is set to Enable this feature is enabled The default setting is Disable and the GTT will use the default port 5060 Response Using Proxy Port This parameter is used to set whether the GTT uses the proxy port as the reply port If Use Proxy Port as Reply Port is set to Enable this feature is enabled The default setting is Disable and the GTT will use the default port 5060 RTP Port Mapping This parameter is used to set whether to invoke RTP port mappi
27. are version is a read only field that is automatically updated to show the current version of software running on the system Configuring the GTT Hardware Version The hardware version is a read only field that is automatically updated to show the current version of hardware This field is used by GED support person to aid in troubleshooting DSP Version The DSP version field is read only and is updated automatically to show the current version of DSP software RTP Port Min and Max The RTP Port Min and RTP Port Max settings define a range of available RTP ports to be used for voice traffic The default settings are 10000 min and 10250 Since a VoIP call uses two RTP ports one for RTP and the other for one supports 23 30 simultaneous voice calls and up to four ports are supported the GTT requires 184 240 RTP ports First Digit Timeout The First Digit Timeout value defines how long after SETUP event the GTT will wait before treating the call as abandoned and RELEASE the call The default value is 12 seconds This is only applicable for second stage dialing Inter Digit Timeout The Inter Digit Timeout value defines how long after a digit has been dialed to wait to send the dialed number out The default value is 12 seconds Critical Digit Timeout This parameter is used in conjunction with the configured x T dialing rules After a specified head of the number x has been dialed
28. cates your current permission level 1 Read only 2 Read Write SIP Registration Info Messages under this title show GTT registration information If GTT is not required to register message not enabled will be shown If registration is enabled it will show Contact info of the registration message from GTT and the response from the registration server Call Context Info Messages under this title are listed for all calls in GTT Each message contains the fields in the following order 1 internal call context index Monitoring 2 internal call ID for the call 3 internal RTP context index for the call 4 call originating side gt call terminating side 5 remote SIP IAD s IP address and port 6 local RTP port for the call 7 selected CODEC for the call 8 ISDN circuit selected for the call slot number span number circuit number 9 ISDN call state 10 CPN gt CDPN for the call RTP Context Info Messages under this title are listed for all active RTP channels Each message contains two parts the first part is the internal RTP context index created and the second part is the internal call ID corresponding to this RTP channel ISDN Status The ISDN Status Information screen is shown in Figure 18 The following sections provide additional details on the ISDN Status Information screen ISDE Status ISDN Group ID 1 state IS IntId 0 side USER echo ON hunting FORWARD 051
29. cel SDP Global Connection SDP Using NAT VAD Activate G 723 1 Rate IP TOS T 38 T 38 Packet Time ms T 38 Redundancy T 38 Change Port T 38 Mode V 21 Dective T 38 NSF Modify T 38 Jitter Size T 38 Receive Gain T 38 Send Gain 2 yo Figure 14 Optional IP Settings RTP Jitter Param The RTP Jitter Parameter 1 and RTP Jitter Parameter 2 parameters define the maximum and minimum number of frames in the jitter buffer The RTP Jitter Parameter 1 has a default of 50 and RTP Jitter Parameter 2 has a default of 3 Under normal situations GED recommends these settings not be modified 2833 Payload Type The 2833 Payload Type parameter sets the payload type used for transmitting 2833 packets The allowable range is 97 127 Configuring the GTT RTP Event Duration The default setting is 50 This entry is only applicable when DTMF mode is set to 2833 It set time interval in millisecond to send 2833 RTP event When a valid in band signal is detected the 2833 RTP event will be sent out in specified interval in the whole duration of the signal When the in band signal is detected OFF the 2833 RTP event will be sent out 3 times at specified interval RTP Drop SID The RTP Drop SID parameter may be set to Enable or Disable This entry is used to specify if received silent packet will be dropped If Enabled GTT will drop RTP silent packet for CODEC G 729 G 723 RTP Me
30. d to show how route and digit Configuring the GTT mappings can be used effectively Examples Digit Maps IP 02161202700 KEEP 8 61202700 IP 021 REMOVE 3 Any number start with 021 the 021 prefix is removed IP CPN6120 ADD 021 CPN number start with 6120 prefix 021 is added IP CPN6120 ADD 8888 CPN number start with 6120 8888 is appended ISDN CPN88 REPLACE 2682000 CPN number started with 88 the prefix 88 is replaced with 2682000 ISDN CPN88 REPLACE 2682000 CPN number started with 88 the whole number is replaced with 2682000 IP CPN2 SEND180 CPN number start with 2 always send 180 on ring back IP CPN3 SEND183 CPN number start with 3 always send 183 on ring back voice cut through IP 61 2 44 53 5060 CPNX HIDE Any call from 61 2 44 53 5060 calling party number presentation restriction is applied 6120 CODEC PCMU 20 64 Any number start with 6120 use 20ms pTime PCMU codec with 64ms echo cancellation IP 010 RELAY 179009 Calls to O10x first connect to 17909 after the call connected then pulse out the called party number Examples Digit Map End Handle The END handle is used to terminate digit manipulation for certain condition After the END statement no digit manipulation will be applied on further matches Refer to the example below IP 12345 ADD 8001 add suffix 8001 12345 REMOVE 4 then remove first 4 digits IP 12345 END stop digit manipulation no change on later matching condit
31. dia Function The RTP Media Function parameter may be set to Enable or Disable RTP Media Function is used to support IAD under NAT without soft switch or Media Server assistance When an IAD under NAT uses GTT as its proxy enable RTP Media Function will allow GTT to cross NAT to setup media path We suggest you enable this function in GTT SDP Global Connection To allow SDP Global Connections configure this parameter to Enable When set to Disable global SDP connections will not be allowed SDP Using NAT This parameter may be set to Enable or Disable VAD Activate The VAD Activate parameter may be set to yes or no When set to yes the GTT will not send speech packets of silence and instead begin CNG comfort noise generation to substitute for the unsent speech packets G 723 1 Rate The G 723 1 codec can be set to two encoding rates 5300 and 6300 bps Configuring the GTT IP TOS The IP TOS parameter is used to set the TOS value on packets This parameter is set using HEX settings The default value is 0x0c The following table represents other settings Table 5 IP TOS HEX Settings HEX Description 0x00 Normal service default 0x02 Minimize cost 0x04 Maximize reliability 0x08 Maximize throughput 0 10 Minimize delay Itis also possible to set multiple bits For example a setting of 0x18 would set IP TOS to maximize throughput and minimize delay T 38 The T 38 setting Enables
32. dicated as the originating telephone number Calling Party Number designates that the calling party number is indicated while Forwarding Number indicates the number responsible for forwarding the call NAT IP Address The IP Address field configures the IP address of the GTT s public IP address and port number The format of the entry is aaa bbb ccc ddd eeee Refresh Timer The Refresh Timer configures the frequency with which NAT information is refreshed The default is 60 seconds Keep Alive NAT Keep Alive may be Enabled or Disabled RADIUS Settings The GTT supports RADIUS for accounting purposes RADIUS parameters are covered in the following sections RADIUS Client Side The RADIUS Client Side parameter defines whether or not the charging function of the RADIUS client is used Radius Client Side can be set to Enable or Disable RADIUS Server Side The RADIUS Server Side parameter defines whether or not the charging function of the RADIUS server is used Radius Server Side can be set to Enable or Disable RADIUS ISDN Side The RADIUS ISDN parameter defines whether or not the charging function of the RADIUS ISDN is used Radius ISDN can be set to Enable or Disable RADIUS Start Configuring the GTT If RADIUS Start is set to Enable the GTT will transmit the RADIUS record of the call start and end If RADIUS Start is set to Disable the GTT will not transmit the RADIUS record of the call start or end RADIUS
33. dress The MAC Address is the hard coded read only hardware address of the Ethernet port This value can be used for detailed debugging and troubleshooting Configuring the GTT DNS The DNS parameter configures the DNS functionality Enable or Disable When DNS is Enabled up to two DNS servers may be entered The first server is the primary and the second is used as a backup The standard IP address format is accepted aaa bbb ccc ddd EMS Server Not currently supported TIME The GTT allows the entry of up to two TIME servers The first entry will be used as the primary server and the second entry as the backup TIME Server The Time Server parameter allows the configuration of the IP addresses of two time servers primary and backup The standard IP address format is accepted aaa bbb ccc ddd Timeout If the GTT can not find the TIME server after the Timeout has expired then it will look for the TIME server at the backup location The default Timeout period is 10 minutes Interval The Interval parameter designates how often the GTT will query the TIME server to update and synchronize its time The default Interval is 120 minutes Route and Map The following section details the Digit Map Route Table and IP Table capabilities of the GTT Configuring the GTT Digit Map As shown in Figure 8 the digit map may optionally be configured with various dialing rules to determine if the dialed number sequence is c
34. e Console Port configuration Verify that the baud rate of your terminal is set to 115200 bps data bits 8 parity none stop bit 1 flow control none e Power reset When cycling power be sure to leave the power off for a minimum of 30 seconds before reapplying power to the unit Checklist If after carefully reviewing the information in this book and the GED website knowledge base your problem persists contact your product representative or a service representative at GED s Customer Support CS So we can serve you better make a list of the following items before calling detailed description of your problem complete listing of your system components and configuration including the serial number of your unit and the current software version number e narrative of the actions you performed prior to the problem list of all system messages posted by your unit Contacts GED Development Co Ltd Address 12F Building 6 1369 Dongfang Rd Office Phone 86 21 68640585 Fax 86 21 50892248 INTRODUCTION This chapter presents a high level introduction to the GTT gateway The GTT gateway provides voice transmission that enables high quality cost efficient Technologies VoIP service Overview GED s GTT product is designed to bridge the gap between traditional circuit based Public Switched Telephone Networks PSTNs and the emerging packet switched networks The GTT provides an excellent sol
35. e control module A specific T1 E1 interface is selected by choosing ISDN Config from the left menu pane on the main screen The specific ISDN span can then be selected and configured Configurable for the ISDN spans are shown in Figure 11 not connect lines in excess of the system s e capacity To determine the capacity of the GTT see the A product label caution ISDN Config Name Flag 0 0000 Group ID Interface ID D Channel TDM Port Switch Side Switch Type Hunting Echo Cancellation ISDN Circuit Ox FFFFFFFF sont Figure 11 ISDN Configuration Name The Name parameter reports which ISDN span is currently being configured Flag The Flag parameter is used to enable multiple special handling functions on a particular ISDN ISDN flag is bit oriented Each bit may be set to 1 to enable special handling Multiple bits can be set to enable multiple functions on particular ISDN The default setting of the Flag parameter is 0 0000 Various settings and their behavior are explained in the following table Configuring the GTT Table4 ISDN Flag Settings Setting Behavior 0x0000 Default 0x0001 The GTT will send SERVICE message when ISDN layer 2 is up and before layer 3 is ready Some PBXs require this message in order to function properly Allow cut through without called party number CDPN Normally ISDN call without a CDPN will be rejected
36. eges will only be able to view configurations and status For information on your current privilege level see Login User Info on page 60 Gr 288 recommends changing the passwords to prevent unauthorized ac o system caution N emm The WebGUI will automatically logoff a user after 10 minutes of inactivity Because of this it is important to nota logout using the menu and therefore not prevent access to the system by others for 10 minutes N Oe To refresh your permissions you must logout and re login note Getting Started WebGUI Navigation Tree Figure 4 below shows a high level navigation tree detailing the different menus and screens found in the WebGUI Optional Log Info Figure 4 WebGUI Navigation Tree CONFIGURING THE GTT This chapter describes the configuration and management of the GTT gateway System Configuration By selecting system configuration from the main screen the system configuration screen is shown in Figure 5 System Settings Software Version Rev 1 87 26 Hardware Version Revi t 2 DSP Version Rev 1 6 70 0x2551 0x2502 RTP Port Min RIP Port Max 10250 First Digit Timeout iz Inter Digit Timeout s Critical Dgt Timeout s DINF Method amo Default Codec 7294 20 20 PCMA 20 6723 3 Echo Cancellation ml rur o Figure 5 System Settings Software Version The softw
37. ename eon onmi di uisa eie Is 75 Change P assWOtd De Siete rr ee 75 jv t 75 TROUBEESHOQGTLNG 5 rtt erret rr RR RR ERR EC TES AMOUR US UAE pangs UE TI GETTING 5 eet pete Y TI Checklist aeta teret ene Sete het een HH ens 78 C 78 PARTS AND ACCESSORIES ipee a RIP nnde 79 tetto ete oeque tede te ee t cet 79 ABOUT THIS BOOK This book presents information on the system design and operation of the GED GTT media gateway The purpose of this information is to help you install use and maintain the GTT gateway WHO SHOULD USE THIS BOOK This book is for product distributors systems integrators systems analysts and network administrators who design install configure and maintain wide area networks WANs and large scale communications applications It contains conceptual and practical information about how to use the GTT gateway within your network CONVENTIONS USED IN THIS BOOK This book uses specific conventions to show the following types of information e Number usage Replaceable input values e Messages Read the following sections to learn more about how this information is shown in the rest of the book Notes cautions and
38. equest a number is being when a number is called in at the same being called in at time the user has the same time the answered the call and network has is waiting for the received response of the call response but no call has been sent forth U9 N9 Incoming Tine Stale whet This state exists a number is being Call called in at the same when a number is Process being called in at time the user has sent forth the confirmation information which denotes that the user has received all the call information which would be used to set up a call the same time the network has received the confirmation information which denotes that the user has received all the call information which would be used to set up a call Table 5 Call States Monitoring State User Side Call Status U10 Active When a number is When a number is N10 being called in this being called in state denotes that the this state denotes user has received the that the network confirmation from the has given the call network user that has to the called user received the call When a number is When a number is being called out being called in this this state denotes state denotes that the that the network user has received the has sent forth the indication from the user an indication remote user s response from the remote to the call user s response to the call U11 Disconnect This s
39. flag in applications that require GTT to choose CODEC based on its local preference order CDPN From Request Line If this parameter is set to Enable the GTT will obtain Called Party Number from SIP Request Line By default GTT gets CDPN from SIP To field Enable this flag if GTT is required to use CDPN in SIP Request Line that was modified add remove prefix etc by soft switch for certain application Use config file to view or set these parameters Do Not Validate Via This parameter defines if the via field in the SIP response is neglected Enable or not Disable Registration Keep Domain When this parameter is set to Enable the full domain name information Configuring the GTT is used to register When set to Disable only the common part is used to register Registration Keep Contact This parameter is used when the GTT is registering across a private network If set to Enable the GTT will register with the original contact information A Disable setting allows the contact information to change SIP VIA Using NAT This parameter controls whether the SIP lt VIA gt will use the public network address information supplied by NAT or the private network address information If this parameter is set to Enable then the SIP VIA will use the public network information supplied by NAT A Disable setting will cause the SIP VIA to use the private network address information SIP TO Using Domain Name
40. g ured with a number other than 0 the specified file will be played during the Relay Hold Connection time NoActivity Timeout The NoActivity Timeout parameter defines what the GTT does if no media activity is detected after the Relay Hold Connection time has expired If set to Enable the GTT will disconnect the call treated as a connection fail If set to Disable the GTT will cut through MONITORING This chapter discusses the monitoring screens and features of the GTT Web GUI Monitoring information is available on the WebGUI by selecting Logs from the left navigation pane The SGX 100 provides the following information screens and logs Resource on page 60 e ISDN Status on page 61 e ISDN Call on page 64 e Message Log on page 72 Boot Log on page 72 Monitoring Resource The Resource Information screen is shown in Figure 17 This screen shows the IP address and level of all WebGUI users SIP register information and relevant information for telephone and RTP Login User Info gt gt gt a 1 192 168 2 173 1 SIP Registration Info gt gt gt gt gt not enabled Call Context Info gt gt gt gt gt IRtp Context Info gt gt gt gt gt empty Figure 17 Resource Information Screen Login User Info The Login User Info reports the address from which you are managing the GTT The single digit to the right of the IP address indi
41. ge 42 TS Time Slot This field denotes the internal TDM time slot being used by the ISDN time slot The internal TDM time slot is 8M and is distributed to four E1 interfaces 2M each Each E1 has 32 time slots as a result the internal TDM time slot has a total of 128 4 x 32 timeslots DSP The GTT Control Module has up to eighteen DSP chips which are identified from DSPO to DSP18 The DSP field indicates which DSP chip is being used by the indicated time slot of the T1 E1 Monitoring Remote This parameter reports the current remote IP address which could be the address of the RTP Media Server or access gateway which comes before the RTP port number Local The local parameter shows the locally used RTP port number Codec The codec value reports the currently used codec For more information see Default Codec on page 28 Ref Call Reference This parameter is the call reference which is used to recognize the information involved with call or equipment book cancel requests on local user and network interfaces The call reference doesn t include the end to end function of ISDN In other words this parameter is valid only in current segment user and network side and in the next segment the same call reference value can also be used State This is the call state which denotes the current state of a call See the following table for detailed definitions for various call states Table 5 Call States Ser
42. h 0 12 16 09 45 25 576154 ISDN 1 NS 25 NR 30 P 0 MSG DISCONNECT callref 801b len 13 12 16 09 45 25 576367 1X raw 0001323C 0802801B 45080280 A99C4030 31301840 1 Figure 20 Call Information Log Boot Log The Boot Log is shown in Figure 21 This log is used by GED to aid in troubleshooting the GTT hardware and software Log Info 684668 051982 0521711 664597 665121 665898 686037 666578 104228 104427 119352 119546 720085 7425511 27617011 1107721 115564 115873 116251 116556 116862 117167 17471 1177751 1180801 Monitoring programFPGAImage GYxs 100 programfpga ERROR during fpga programing 42097 42041 programFPGAImage try GYXS 100 TG 1 2 programfpga HW fpga program 69900 69885 SUCCESS hwInterface c 309 HW 0 type 03 Density 1 DSO hwInterface c 408 HW No Card Present in IF 1 Slot hwInterface c 421 HW IF 2 type 06 Density 128 050 app start HW revision Rev 1 1 2 rtp init rtp port 10000 10250 circuit 128 128 rtp ctx 125 repeat 1 rtp init WARNING only can make 125 simultanious calls rtp init start accel rc 13 app start ann init app start sip start app start hw start needProgramFpga hw version log does not exist mezzlnit Programming Mezzanine 30 Passed initDSP DSP 0 exist cnt 0 initDSP DSP 1 exist cnt
43. hassis The GTT is shipped in a protective carton to prevent damage during shipping The shipping carton contains the following items gateway chassis with modules installed Power cable assemblies gateway documentation and software on CD Standard configuration accessories can be added or removed based on customers demands To install the chassis 1 2 Remove the GTT chassis from its shipping carton The GTT chassis is shipped with its rack mount ears positioned for front flush mounting To change the mount position of the chassis use a 2 Phillips screwdriver to remove the three 48 32 screws affixing each rack mount ear Reposition the rack mount ears to the desired mount position Lift the chassis into the rack so that the chassis mounting ears are aligned with the rack holes Partially install one rack screw in the bottom corner of each side for the keyhole cutouts Set the chassis over the partially installed rack screws then install the remaining rack screws rack screws not provided For racks with equipment shelves installed lift the GTT chassis and position it on the shelf Installing the GTT Connecting Main Power The GTT gateway is configured for AC power GED recommends two independent AC power feeds Installation must be performed by a qualified professional who o is skilled in the installation and connection of power distribution systems and is knowledgeable of applicable munici
44. ial State User Side Call Network Side Number Status Call Status UO NO Null No Call Present No Call Present Table 5 Call States Monitoring Serial State User Side Call Network Side Number Status Call Status 1 Call Initiation This state exists This state exists when anumber when a number is is being called being called out out at same at the same time time the user the network has send call setup received the call request to the lia Tenes network but no response has been received U2 N2 Overlap This state exists This state exists Sending when a number when a number is is being called out at the same time the user has received the being called out at the same time the network has confirmed the call confirmation setup request and information of prepare to call set up receive call information with overlap mode request which denotes that the user is allowed to send call information to the network with overlap mode Table 5 Call States Monitoring Serial State User Side Call Status Newor MIAE Call Number Status U3 3 Out Pro This state exists when a This state exists when cess OUT number is being called a number is being PROC out at the same time the called out at the user has received the same time the confirmation information network has sent of call set up request forth the confirmation
45. ion Configuring the GTT IP 12345 REPLACE 777 won t take effect for 12345x IP 12 KEEP 3 won t take effect but any number start with 12 other than 12345 will take effect IP 123456 ADD 8002 won t take effect if this rule is needed it should be moved before the 12345 rule and put an END statement after it Examples Route Functionality The following examples cover the ROUTE functionality IP 8621 ROUTE ISDN 1 call has 8621 prefix route to ISDN span 1 IP 8620 ROUTE ISDN 2 calling party number started with 8620 route to ISDN span 2 ISDN 021 ROUTE IP 228 167 22 34 5060 call has 021 prefix route to 228 167 22 34 5060 ISDN 020 ROUTE IP 61 234 67 89 5060 call has 020 prefix route to 61 234 67 89 5060 IP CPN 1 3 5 ROUTE NONE calls from CPN starting with 1 3 4 and 5 will be rejected Example Using Route Instead of End The following example shows how the ROUTE statement can be used instead of the END statement to stop digit manipulation In this case further matching on the same condition won t take place IP 12345 ADD 8001 number started with 12345 add suffix 8001 12345 REMOVE 4 then remove first 4 digits 12345 ROUTE ISDN 2 then stop further matching digit manipulation and route to ISND span 2 IP 222 34 55 1 CPNX REPLACE 2680000 Calls from 222 34 55 1 Calling party number is replace with 2680000 IP 222 34 55 1 CPNX HIDE calling party number presentation restriction is applied
46. ng LOCAL Length 1200HM Digit Adjust Figure 12 Configuration 051 051 Type configures if the T1 E1 interface operates as a or E1 interface Select the desired setting from the 081 Type dropdown box DSO Type The DSO Type allows configuring the PCM encoding type Allowed settings are ULaw and ALaw Line Type Configuring the GTT If the GTT DS1 Type is set to T1 then Line can be set to D4 SF Superframe ESF Extended Superframe or T1 UNFRAMED mode If the GTT 051 Type is set to E1 then Line Type can be set to E1 E1 UNFRAMED or 1 MF mode Line Code If the DS1 Type is set to then Line Code can be set to B8ZS or AMI If the GTT DS1 is set to E1 then Line Code can be set to HDB3 Clock Timing The Clock Timing parameter can be configured as Local use local clock or SPAN use recovered clock from the interface Note If one interface is configured to use SPAN clock all other interfaces will use the same recovered clock When more than one interface is configured to use SPAN clock GTT will adopt the recovered clock from the first upped interface Length The Length setting configures the line build out LBO of the line The default setting for is Shorthaul 110 FT The default for El is 120 Ohm Digit Adjust This parameter is not currently supported Optional Settings The Optional
47. ng function Enable invoke RTP port mapping function and adopt local SIP port and RTP port Disable close RTP port mapping function and adopt port which is requested by STUN Always Send 180 If this parameter is set to Enable the GTT will map all alerting messages ALERTING with and without in band indicator to 180 An example of when this parameter would be Enabled is when an IAD does not support a 183 message Configuring the GTT If Always Send 180 is Disabled no mapping will occur and the 18x message will be sent Always Send 183 If this parameter is set to Enable the GTT will map all alerting messages ALERTING with and without in band indicator to 183 An example of when this parameter would be Enabled is when an ISDN switch is configured to handle the GTT as an end user and always provide ring back or announcement but still uses the regular ALERTING message In this case a 180 message will cause the other side to hear ring back but the ISDN switch may announce Destination Busy If Always Send 183 is Disabled no mapping will occur and the 18x message will be sent 180 with SDP If 180 with SDP is set to Enable then 180 messages are sent with SDP With a Disable setting the GTT will send 180 messages without SDP CODEC Using Local Config List If this parameter is set to Enable the GTT will use its local CODEC preference order By default will choose CODEC based on IAD s preference order Enable this
48. nput The GTT requires 100 240 VAC 47 63Hz Maximum current consumption is 1A Redundant Power Feeds GED recommends redundant power feeds from separate power sources or UPS power backup to ensure the continuous operation of the gateway This ensures proper operation of the gateway in the event of a power loss from one of the sources Airflow and Thermal Cooling Requirements The GTT gateway is equipped with two fans for cooling the system modules The air intake is located on the right and left sides with the exhaust vents being located on the rear of the chassis To prevent overheating the air intake and exhaust must not be obstructed After installing the gateway avoid installing other equipment that exhausts hot air directly into the GTT air intake The gateway produces heat at a maximum of 256 BTU hr The facility air conditioning system must be capable of handling the heat Installing the GTT load to reduce the ambient air temperature to an acceptable level for proper operation Space Allocation Guidelines The gateway can be installed in a 19 inch BIA standard open relay rack An enclosed cabinet is not recommended unless it can provide sufficient cooling capacity for the gateway Chassis Mounting Guidelines The chassis can be flush or mid mounted A single gateway requires 1 75 inches 1RU or 4 4cm of vertical rack space 17 inches 43cm of rack depth and weighs approximately 15 Ibs 7 kg Installing the C
49. o Cancellation see Echo Cancellation Length on page 13 to Disable will turn off note Echo Cancellation at the system level ISDN Circuit The ISDN Circuit is a bit representation of all circuits for a TDM Each bit is set to 1 to enable a voice channel The default is OxFFFFFFF all on 1 30 channels 23 channels For example OxFOFFFFFF means circuit 0 23 and 28 31 are enabled and circuit 24 27 are Disabled This configuration will be combined with settings as well The application uses time slot 0 for synchronization and time slot 16 for DCH so for the above example the actual available voice channels are 1 15 17 23 and 28 31 A TI Configuring the GTT application has only 24 channels and the last one is for DCH so for the above example the actual available voice channels are 0 22 or 1 23 timeslot TDM Configuration The GTT always has four interfaces Capacity is determined by the processing power purchased and supplied by the mainboard A specific interface is selected by choosing Config from the left menu pane on the main screen As shown in Figure 12 TDM settings can then be selected and configured Do not connect lines in excess of the system s capacity To determine the capacity of see the caution product label IDE Config DS1 Type El v DSO Type Law Y Line Type E1 Line Code HDB3 Y Clock Timi
50. or Disables the T 38 fax function If T 38 is enabled it is necessary to configure the following T 38 parameters T 38 Packet Time The T 38 Packet Time parameter is used to set the packing interval of the T 38 data frame The value can be set to 10 20 30 40 50 or 60 ms T 38 Redundancy The T 38 Redundancy parameter configures the number of T 38 data frames in each T 38 data packet T 38 Redundancy may be set from 1 6 The default setting is 4 T 38 Change Port Configuring the GTT When configured to Enable the GTT will change the UDP port when switching to T 38 mode If T 38 Change Port is set to Disable the GTT will reuse the RTP port number that was used in the creation of the connection T 38 ECM Mode The T 38 ECM Mode may be set to Enable or Disable V 21 Detect The V 21 Detect parameter may be set to Enable or Disable T 38 NSF Modify The T 38 NSF Modify parameter may be set to Enable or Disable T 38 Jitter Size The T 38 Jitter Size parameter defines the jitter size The default setting is 250 T 38 Receive Gain The T 38 Receive Gain parameter defines the receive gain Set between 1 and 4 while set to 1 will adjust signal to one half of its original amplitude set to 2 will keep the original signal amplitude set to 3 will adjust signal to 2 times of its original amplitude set to 4 will adjust signal to 4 times of its original amplitude The default setting is 1 T 38 Send Gain The T 38 Send Gain p
51. orrect or not Digit Hap Rules 10 Figure 8 Digit Map Table Usage The following table shows generic examples for the usage of the Digit Map feature Table 3 Digit Map Usage Setting Description x Any number ranged from 0 9 57 Represents any multidigit number ranged from 0 9 x T The GTT allow a phone number of random length comprised of digits 0 9 If within the time specified see Critical Digit Timeout on page 27 no new digit has been received the gateway will send out the dialed number xi If after the entry of a phone number of random length comprised of digits 0 9 the key 15 pressed the number will be sent 2 8 A seven digit number starting with any number 2 8 will be sent Configuring the GTT Table 3 Digit Map Usage Setting Description 91x A three digit number starting with 91 which is used to finish an emergency call 911 Send the number 911 immediately after being received Route Table The Route Table shown in Figure 9 has two functions in the GTT digit translation and routing Digit translation and routing can be applied to both directions of a call either from IP or from the PSTN If the Route Table is empty Calls from IP addresses will select the first available nonfull T1 E1 1 2 3 then 4 Calls from the PSTN will be sent to the IP address configured in SIP Proxy
52. ou better make a list of the following items before calling A detailed description of your problem A complete listing of your system components and configuration including the serial number of your unit and the software version number it is running A narrative of the actions you performed prior to the problem A list of all system messages posted by your unit Contacts GED Shanghai Co Ltd Address 12F Building 6 1369 Dongfang Rd Office Phone 86 21 68640585 Fax 86 21 50892248 PARTS AND ACCESSORIES GTT gateway parts and accessories can be purchased from your GED authorized service provider The tables in this appendix list the part numbers for field replaceable items For the latest information including prices on the parts described in this appendix consult your GED representative GTT Cables Cable Description 120 Ohm Balance Cable RJ48 P to RJ48 P 75 ohm BNC Cable 75 120 ohm Impedance Converter Spares Description Chassis includes 2 P S module P S module module 4 ports CM module 1 span capacity CM module 2 span capacity CM module 4 span capacity
53. pal electrical code requirements caution Applying Power 1 Connect the supplied power cords to the inlets on the power supplies 2 does not have an on off switch Plug the GTT power cord into an outlet Connect the other end of the power cord to the back of the GTT The GTT fans will start and the LED indicators will light 3 ensure power is not accidentally removed make sure all plugs are securely connected to the chassis and outlets and that power cables are secured Configuration A brief introduction to using the GTT GUI can be found in Chapter 4 Getting Started Detailed information on configuring the GTT is contained in Chapter 5 Configuring the GETTING STARTED This chapter explains the steps required to started It also explains the GTT user interface a web enabled management tool which consists of a set of user friendly menus and screens Using these menus the GTT can be configured monitored and managed during its deployment Starting the GTT The following procedure explains how to access the GTT 1 Unpack the GTT note keep the packing material so it can easily be shipped again 2 Power up the GTT Before doing so observe the following precautions Always ground the GTT through the protective earth lead of the power cable Before applying AC power to the GTT verify that the main plug is inserted into a socket outlet provided with a pro
54. pported Port 1 Port 1 is used for local management access Port 2 Port 2 is not currently supported and will not be displayed in the GUI Port 3 Port 3 is an auto negotiating 10 100Base T Ethernet port It is the IP port carrying the VoIP traffic including SIP protocol and RTP packets It may also be used to provide remote access for control management and maintenance Pin outs are shown as follows Chassis and Components RJ45 Pin out LED Status 1 3 6 Orange Green TX RX RX Activity Link CON Console Port The Console port is used to provide console access to the GTT during manufacturing and test and is not intended for use in the field RJ45 Pin 2 3 4 5 6 7 8 Description NC NC TxD GND GND RxD NC NC DB9 Pin 2 5 3 DB25 Pin 3 7 2 Indicators The mainboard indicators have the following meanings Table 1 GTT Indicators Indicator Color Description PWR Green Power is on Powe Off Power is off Status Green Normal operation flashing Red flashing System is in a diagnostic mode with limited functionality Red on System is in a start up mode not ready for operation Off System is locked in a non functional state Alarm Green Normal operation no alarms Red flashing Alarm condition from an unknown source Red on Alarm condition with a known source Chassis
55. re These modules require no special tools or training to perform a field replacement CHASSIS AND COMPONENTS This chapter presents the functional architecture of the GTT gateway It introduces the major gateway components their functions and inter activities As shown in Figure 1 and Figure 4 the GTT chassis consists of a control module T1 E1 module power supply modules and two fans Interconnection is performed via a mid plane which is functionally equivalent to a backplane The following sections cover each component in more detail Chassis Dimensions The GTT chassis is one rack unit 1RU high or 1 75 inches 4 4 cm high x 17 25 inches 43 82 cm wide x 17 00 inches 43 18 cm deep It can be mounted on an Electronics Industry Association EIA standard 19inch relay rack or optionally on a rack shelf or table Weight The GTT chassis weighs 15 Ibs 7 kg Chassis and Components Front View Figure 1 shows the front view of an GTT chassis gateway T1 E1 Module Control Module Figure 1 GTT Gateway front View Control Module The GTT Control Module shown in Figure 2 contains the control and processing circuitry and interfaces The mainboard module includes a daughtercard that provides additional processing power Voice capacity is controlled via the processing power in the mainboard a XIII Iam Figure 2 Control Module AUX Port The AUX auxillary port is not currently su
56. s In some cases you can insert user defined values into commands or you can specify local paths and filenames These variable values are shown in italic typeface For example you might be asked to specify the name of your server in this path A LOGIN LOGIN servername The italic typeface shows that you need to replace servername with your local server name When prompted for variable input represented by lower case letters follow these conventions When You See This Substitute This Value b Any binary digit h Any hexadecimal digit n Any decimal digit X Any alphabetic value such as x DOS where you substitute the correct drive letter for x Multiple letters A series of digits such as FIRST 2 HEX BYTES hhhh where you substitute four hexadecimal digits for hhhh When prompted for variable input with embedded decimal points replace the variable digits and let the decimal points remain to separate32 bit dotted decimal address segments For example you might be prompted to supply a 32 bit dotted decimal address in this format nnn nnn nnn nnn where nnn is a decimal value from 0 through 255 Leading zeros are not required GETTING HELP If after installing and configuring your GED equipment you cannot establish Technologies to or from the unit carefully review the information in this book prior to calling Customer Support CS Before going any further ensure that you have checked the following
57. s depending on the content in each message This page is useful to debug problems related to SIP or ISDN signaling If you need longer history of the messages the complete message log can be viewed at lt var tmp message log gt The size of the log file is 500 You may see three message log files lt var tmp gt message log message log 1 and message log 2 with total 1500KB size limitation message log always contains most recent messages When message log is full message log 1 will be copied to message log 2 message log will be copied to message log 1 and message log will be emptied to store new messages Content Length 0 12 16 09 45 25 554313 SIP from 192 168 9 4 5060 1 285 nsg SIP 2 0 100 Trying Via SIP 2 0 UDP 182 168 9 6 5060 branch z9hG4bK 106272946611346915251T00835 To lt sip 9721 192 168 9 4 gt tag 164816360 1 From lt sip 9621 192 168 9 6 gt tag 11346975251700834 1 Call ID 11346975251761689336 0 192 168 9 6 CSeq 11056861 INVITE Content Length 0 12 16 09 45 25 562514 SIP from IP 192 168 9 4 5060 1 284 nsg SIP 2 0 100 Trying Via SIP 2 0 UDP 192 168 9 6 5060 branch z9hG4bK 10627294661134697525170083T To lt sip 9724 192 168 9 4 tag 164816362 1 From lt sip 9624 192 168 9 6 gt tag 11346975251700836 1 Call ID 1134697525727540773 0 192 168 9 6 CSeq 11056881 INVITE Content Lengt
58. shown in Figure 3 Bo 4a 9 mERDUMAEXCO Oy TRO GTT Series Network Recline Managementisystem Password SUBMIT Advance Config Log Info System Tools Logout TEB Version 1 9 2 238 Figure 3 WebGUI Main Screen The WebGUI has been designed to be simple and intuitive The WebGUI automatically detects the hardware capability of the SGX 100 For example if the GTT has capacity for two spans of T1 E1 the WebGUI will only show two interfaces 1 and 2 in the appropriate configuration screens The following sections provide a brief tutorial on the GTT s WebGUI Introduction After the GTT powers up the GUI may be accessed by opening a standard web browser and entering the default address http 192 168 2 240 There are two user levels available with the GTT Administrator and Operator The respective default passwords for each are Getting Started GTadmin and operator The passwords are case sensitive note The administrator account has full permissions while the operator can not change network configurations perform password management or restore factory default settings The GTT allows multiple users to log on at the same time The user with the highest privilege level is able to make changes and perform actions In the event of two like privilege users the first to log in has control The remaining users regardless of their user privil
59. software update process to proceed in caution the background The following sections provide additional details on the Upgrade screen Software Upgrade Uparade process will take approximately 5 minutes Do not navigate from this screen after pressing Upgrade button After software upgrade is completed system automatically initiate could start reboot WEB connection will be lost and message like page cannot be displayed may be indicated Re login 1 minute after such message shown on the screen FTP server User Name Password Filename Figure 23 Upgrade Screen FTP Server The FTP Server input box identifies the IP address aaa bbb ccc ddd or domain name of the ftp server Example http 220 248 100 68 Autoprovision ftp 220 248 100 68 Autoprovision ftp username password 9 220 248 100 68 Autoprovision User Name System Tool Input the user name of log in ftp server Password Input the password of log in ftp server Filename Input the software version to be downloaded If left blank the software will be updated to the latest version Change Password The Change Password screen is shown in Figure 24 Only the administrator account has the permissions to change passwords The current operator password is displayed in plain text and can be changed independently of the administrator password Change Password 014 Password New Password Confirm New Password Operator
60. t ID This field reflects the current setting of the Interface ID parameter For more information see Interface ID on page 43 Side This field reflects the current setting of the Switch Side parameter For more information see Switch Side on page 43 Echo This field reflects the current setting of the Echo Cancellation parameter For more information see Echo Cancellation on page 43 Hunting This field reflects the current setting of the Hunting parameter For more information see Hunting on page 43 DS1 This field reflects the current setting of the DS1 Type parameter Monitoring For more information see DS1 Type on page 45 Slot ds1 450 This parameter identifies the hardware identification of the T1 E1 port in the system Slot is the location of the T1 E1 Interface card and is always 1 951 is the port number on the T1 E1 Interface 050 denotes the channel which is configured as the D Channel For more information see D Channel on page 43 Equipped MAP This field shows the available states of the 30 time slots in the E1 card except the 0 and 16th slot which are reserved See ISDN Circuit configurable for more information Oxfffeffe is expressed in the binary system If a certain number is 1 it indicates the corresponding time slot is available LineType This field reflects the current setting of the Line Type parameter For more information see Line Type on page 45
61. tate denotes that This state denotes Nil Request the user has sent forth that the network a request to the has received the network for request from the disconnecting the user for end to end connection disconnecting the and is waiting for end toned response connection U12 Disconnect This state denotes that This state denotes N12 Indication the user has received that the network the disconnect request because the network has disconnected the end toned connection has disconnected the end to end connection and has sent forth a request for disconnecting the user to network connection Table 5 Call States Monitoring Serial State User Side Call Network Side Call Number Status Status U15 Pause This state denotes This state denotes 15 Request that the user has that the network has requested the received the pause network to suspend request but no the call and is pente i waiting for response york U17 Resume This state denotes This state denotes N17 Request that the user has that the network has requested the received the request network to resume to resume the the suspended call suspended call but and is waiting for no response is response received U19 Release This state denotes This state denotes N19 Request that the user has that the user has requested the requested the user network to release to release the call the call and is and is waiting for
62. tective earth contact only The protective action must not be negated by using an extension cord power cable without a protective conductor grounding Interrupting the protective grounding conductor inside or outside the unit or disconnecting the protective earth terminal can make operation dangerous caution Installation must be performed by a qualified professional o who is skilled in the installation and connection of power distribution systems and is knowledgeable of applicable municipal electrical code requirements caution Getting Started The GTT does not have an on off switch Plug the GTT power cord into an outlet Connect the other end of the power cord to the back of the The GTT fans will start and the LED indicators will light Wait until the GTT completes its diagnostics and boot up sequence about 2 minutes Establish a data connection to the GTT When the GTT is first shipped only Ethernet port 3 is configured Connect an Ethernet cable from your PC to Ethernet port 3 on the front panel of the GTT Open the Microsoft Internet Explorer web browser version 5 x or later and type the address http 192 168 2 240 Continue reading section Understanding the Web GUI on page 23 for login instructions and information about the using the GUI Getting Started Understanding the GTT Web GUI The GTT is configured managed and monitored using a built in WebGUI A screenshot is
63. the GTT will wait the Critical Digit Timeout time period prior to sending the dialed number For example assuming that Configuring the GTT dialing rule 021 T has been configured After the user has dialed 021 and the Critical Digit Timeout period has passed the SGX 100 will send the dialed 021 out The default value is 5 seconds DTMF Method This parameter is used to set the DTMF signal transmit mode Available settings are Audio mode INFO mode and 2833 mode Audio mode is a transparent transmit mode Info mode is an information transmit mode and 2833 mode is a RTP event packet transmit mode Default Codec The GTT can support multiple codec simultaneously Supported codec are shown in Table 2 Enter the value shown in Table 2 to configure the GTT to use a particular codec for calls To configure the support of multiple codec enter them on one line separated by a comma no spaces The GTT will select the first codec left to right supported by both sides The default configuration iLBC 20 Table 2 Supported Voice Codec Tre vat G 729A 20 30 40 G729A 20 G 723 30 30 60 G723 30 G 711 mu law 20 PCMU 20 G 711 a law 20 PCMA 20 GSM 20 GSM 20 iLBC 20 iLBC 20 Echo Cancellation The Echo Cancellation may be Enabled or Disabled Echo cancellation must also be turned on or off on a per ISDN basis in the ISDN configuration window see Echo Cancellation on page
64. ution for merging digital broadband access networks with the legacy telephone network in a seamless reliable manner Features This section presents high level information about the features of the GTT platform It has been designed to serve smaller cost efficient deployment environments that require a rich feature set One to Four T1 E1 Span Capacity The GTT s platform provides one to four T1 E1 spans of capacity up to 240 voice channels This allows carriers to identify the ideal size of their deployment and roll out appropriate levels of service Introduction Scalability The GTT supports 1 2 or 4 per chassis This enables carriers to size the gateway to fit their specific need Processing Power The GTT possesses 4800 MIPS processing power and supports multiple voice codec G 711 G 729A G 723 iLBC GSM as well as echo cancellation G 168 DTMF relay RFC2833 and fax relay T 30 T 38 Quick and Easy Installation The GTT is packaged in a 1U chassis and can be quickly and easily installed using standard tools It has been designed using industry standards and interoperates with major vendor s soft switches Simple Configuration The GTT is configured and monitored via an intuitive built in web GUI The GUI provides password protected access from any where on the network Redundant and Hot Swappable Power Supply Modules The GTT power supply modules are hot swappable in the event of a physical failu
65. ype will be unknown 0x0200 Any CPN starting with O will be set to type NATIONAL Otherwise type will be unknown 0x0400 Any CPN starting with 00 will be set to type INTERNATIONAL Otherwise type will be unknown 0x0800 Restrict CPN presentation for the entire ISDN Group The Group parameter defines the group ID of the selected ISDN line It is not recommended to change the value T1 E1 interface to group mapping is interface group For example T1 E1 interface 3 is assigned ISDN group 3 Interface ID The Interface ID parameter default setting is 0 D Channel The D Channel parameter defines the signaling channel Typically the signaling channel for a T1 interface is 24 and 16 for an El interface Configuring the GTT SPAN The SPAN drop down menu reports which interface is being configured Switch Side Switch Side defines the ISDN behavior The setting of Switch Side for the other side of the T1 E1 line must be opposite that of the GTT The settings for Switch Side are User and Network Switch Type The default settings for Switch Type are TI ND EI CCITT Hunting The Hunting parameter is used to set how the GTT searches an idle time slot Hunting can be set to Forward or Backward Echo Cancellation Using the Echo Cancellation drop down menu echo cancellation can be turned Enable or Disable for an individual ISDN line 258 Setting the system parameter Ech

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