Onsight Connect Network Requirements V6.1
Contents
1. 50 57 93 169 3478 4 Onsight Endpoint SIP Server calls through Firewalls The Onsight endpoints Onsight Connect for PC Onsight Devices iPad and iPhones must register with the SIP Server Any calls between the Onsight Endpoints are managed by the SIP Server Onsight endpoints can call directly to each other using IP addresses but they must be on the same LAN as soon as you cross a Firewall you must use a SIP Server to manage the calls Note There is an option on some SIP Servers to allow two endpoints located behind the same Firewall NAT to send data directly between each other but normally all data traffic is routed through the SIP Server 4 1 SIP Server Public vs Private Onsight Endpoints support the ability to configure both a Public and Private SIP Server The Public server is used when the Onsight endpoint is located outside the Firewall and must connect to a SIP Server that has a Public interface e g Cisco VCS Expressway The Private Server is Application Note Onsight Network Requirements 12 02007 2013 Librestream used when the Onsight endpoint is located inside the Firewall on an internal network and registers to an internal SIP Server with a private interface e g Cisco VCS Control When both the Public and Private Server settings are configured the Onsight endpoint will determine which one to register to by first sending a SIP OPTIONS message to the Private server If the Private server responds the Onsight endp2. Application Note Onsight Connect Network Requirements V6 1 eec eee Librestream o 1 ONSIGHT CONNECT SERVICE NETWORK REQUIREMENTS 3 1 1 Onsisht Connect OVER VIC W aoira M M 3 1 2 Onsisht Connect Ser VOES Sie ve Sesecedasdacetdauesbaccsuscssesavacsudeseavisdeusensanceancccevenstcnsesessecavsvanbeveuseessasecassecsseseecsscese 4 Onsight Connect Network Requirements for Hosted S IP Ser vice e eere eee eere eee eee sense ene ee nue 6 1 2 1 SP OV Cy OW m A E di ae ice 6 1 2 2 Bipolar 6 1 2 3 Direct SIP Servers Res 1S 0 AUOD uode deep ed nie odere oan DU EQ Ue NIU QUA UN n Mai ENG a 1 2 4 Public Private SIP Server Paii scares iicet ann duc antea d o o peri ee did Nuus 8 2 ONSIGHT NETWORK PROTOCOLS AND LOCAL PORTS 10 2 1 Network Protocols and Local Ports Table ssisicscssssssscreasessssonseiuseseanesnteseavosssseesdauntsoneastansesvoevssdavnvosnsoseete 10 3 FIREWALL REQUIREMENTS ALLOWING SIP TRAFFIC 11 3 1 Sample Fire wall Configuration RR I ITI 12 4 ONSIGHT ENDPOINT SIP SERVER CALLS THROUGH FIREWALLS 12 4 1 SIP Server Publi Wa Private sanina aaa a a 12 4 2 Session Initiation Protocol Communication Exchange sesseescesecsseescesoosooesoossoesoocosesocsocesoesoososesoseo 14 5 ONSIGHT TEAMLINK HTTP S TUNNELING SERVER 14 5 1 T eamlank Enca
3. Media traffic is dependent on the configuration of the SIP Server The SIP Server dictates which UDP ports will be used during a session by an endpoint See Section 4 1 for a diagram showing the SIP RTP and RTCP stream flow Application Note Onsight Network Requirements 11 02007 2013 Librestream 3 1 Sample Firewall Configuration The following sample configuration allows internal IP addresses to send and receive SIP TCP 5060 and 5061 messages data UDP 58024 58523 HTTP TCP 80 HTTPS TCP 443 and STUN UDP 3478 to the hosted Librestream servers at siphost librestream com onsight librestream com and teamlink10 librestream com The firewall can be configured to allow any internal IP address to send receive on the required ports Protocol Port ACTION Source IP Address Destination Permit IP Address Hostname IP Address Hostname Media Port or Deny that INITIATES Range siphost librestream com PERMIT 192 168 1 X DHCP 64 4 89 118 58024 58523 siphost librestream com lan PERMIT 192 168 1 X DHCP 64 4 89 118 TCP 9060 5061 onsight librestream com oe oa PERMIT 192 168 1 X DHCP 50 57 49 192 TCP 80 443 teamlink10 librestream com PERMIT 192 168 1 X DHCP 50 57 93 169 UDP 58024 58523 teamlink10 librestream com BE PERMIT 192 168 1 X DHCP 50 57 93 169 TCP 5060 5061 teamlink10 librestream com PERMIT 192 168 1 X DHCP 50 57 93 169 80 443 teamlink10 librestream com PERMIT 192 168 1 X DHCP
4. udp port 5060 e no ip nat service sip tcp port 5060 Alternatively the Onsight endpoints can be configured to use SIP TLS for the Authentication transport This requires a certificate to be installed on the endpoints SIP TLS encrypts the SIP messaging headers and therefore the headers are ignored by the SIP aware feature of the Cisco router 8 Onsight Connect Service Check List M Firewall ports have been configured to allow Onsight Connect Service and SIP Registration M Onsight devices are connected to the network WiFi or Ethernet M Onsight Account Manager has been configured with Users Client Policies and SIP Account information o SIP server address o URI o User name and password o Authentication Transport Setting M Install Certificates if necessary for SIP TLS Application Note Onsight Network Requirements 18 2007 2013 Librestream M If required TeamLink has been enabled For further information regarding Onsight Connect Setup consult the Onsight Connect User Manuals Application Note Onsight Network Requirements 19 2007 2013 Librestream
5. P stream has an RTCP stream associated wth it e g video happens over RTP 6000 and its associated RTCP stream is over 6001 RICP provides statistics on the RTP stream However if these ports are already in use on a PC Onsight Connect will increment the source port until it finds a free one So the possible range of UDP source ports starts at 6000 and is determined by availability of UDP ports on the Onsight Connect Host PC The Onsight Device will always use these source ports 6000 6001 6002 6003 6004 6005 6006 because it is a closed system and no other processes has access to them Destination Ports when using a SIP SERVER When using a SIP Server the destination ports are in the range configured on the SIP Server for the RTP and RTCP traffic this is because the SIP Server has directed Onsight Connect to send to these ports These ports must be opened on the Firewall Both the RTP and RTCP are in the range that has been configured on the SIP Server this range is determined by the SIP Server Administrator and is based on the number of concurrent calls that need to be supported Note that SIP traffic is still sent to the destination ports of 5060 or 5061 From Onsight Connect s point of view itis only sending and receiving traffic to the SIP Server 1 2 4 Public Private SIP Server Pair As of v6 1 the SIP Server configuration supports listing two SIP Servers for SIP Registration The Public Server resides outside of the Firewall and i
6. TCP pkts out with SRC x and DST 5060 5061 PC Device sends RTP RTCP UDP pkts out with SRC 26000 6001 and DST y PC Device sends RTP RTCP UDP pkts out with SRC 26002 6003 and DST y PC Device sends RTP RTCP UDP pkts out with SRC 26004 6005 and DST y PC Device sends RTP RTCP UDP pkts out with SRC 6006 and DST y PC Device sends UDP pkts out with SRC x and DST 3478 PC Device sends TCP pkts out with SRC x and DST 443 80 PC Device receives SIP TCP pkts with SRC 5060 and DST x PC Device receives SIP TCP pkts with SRC 5060 5061 and DST x PC Device receives RTP RTCP UDP pkts with SRC y and DST 6000 6001 PC Device receives RTP RTCP UDP pkts with SRC y and DST 6002 6003 PC Device receives RTP RTCP UDP pkts with SRC y and DST 6004 6005 PC Device receives RTP RTCP UDP pkts with SRC y and DST 6006 PC Device receives UDP pkts with SRC 3478 and DST x PC Device receives UDP pkts with SRC 443 80 and DST x 2007 2013 Librestream The SRC ports shown are the first choice when a call is established If a requested port is in use on the PC the port number willincrement to a limitof 6200 until an available port is located The Device will not have conflicts and will use the ports shown X are random ports determined during SIP negotiation Send DST port is 5060 or 5061 if TLS is enabled y are ports determined bythe SIP proxy server during call negotiation usuallyfrom a limited ran
7. cation Note Onsight Network Requirements 17 2007 2013 Librestream Note the term unknown SIP Server is meant only to indicate that TeamLink is unaware of the SIP Serverin terms of Firewall Detect 2 CUCM isnot supported and would not work without an alternative firewall traversal mechanism CASE 1 An existing customer already has firewall rules to allow SIP UDP to a certain SIP Server If there are no similar rules on the firewall defined for the TeamLink the Firewall Detect Test will report that SIP is not available and use tunneling by default Recommendation is that existing and new customers should apply firewall rules for SIP UDP for both the TeamLink and the existing SIP Server otherwse they should disable the TeamLink configuration when inside the firewall CASE2 Customers with Cisco Unified Communications Manager CUCM CUCM installations are generally always behind the firewall In this case since the TeamLink server is in the cloud it cannot contact CUCM and will not be able to tunnel 7 2 Cisco SIP Aware Cisco Routers have a SIP aware feature that is enabled by default It rewrites header information in the SIP packets with respect to source addressing for the SIP packet which confuses the SIP Server and must be turned OFF in order for the SIP Server communication to work correctly Example Commands To turn OFF Cisco SIP aware e show fixup sip 5060 e no fixup protocol sip 5060 e no ip nat service sip
8. dled by the SIP Service HTTPS uses TCP port 443 SSL requires that all Onsight Endpoints have accurate date and time set to allow authentication Onsight Connect Solution Architecture Lon ETE SOLUTION ARCHITECTURE 2 s Onsight User Authentication E US PS em UT oo FIELD WORKER 1 EXPER FIELD WORKE REMOTE EXPERT G Onsight Account Manager Onsight SIP Service Onsight TeamLink e Librestrearm Application Note Onsight Network Requirements 3 2007 2013 Librestream List of Required Network Protocols SIP TCP 5060 SIP TLS TCP 5061 HTTPS TCP 443 HTTP TCP 80 Audio Video Data UDP STUN UDP port 3478 Cisco Presence client configuration web service TCP 8443 QUO OY oh SS For details on setting up Onsight Connect refer to the Onsight Account Manager User Manual Only used if TeamLink is enabled 1 2 Onsight Connect Servers Onsight Connect is delivered in the cloud by Cloud hosted Servers to make it easier for users to access the software Video recordings and images captured with Onsight are not streamed through or stored in the Onsight Connect Server Cloud data storage is limited to the user account information and global contact list accessible only to the assigned Onsight users The optional Onsight TeamLink and Onsight SIP services stream media but do not store any video recordings or images in the cloud Customers who are concerned about content security with these o
9. ge configured by the SIP proxy server administrator TeamLink willuse either HTTPS or HTTP to proxy SIP traffic and Media depending on the Onsight endpoints configuration Direct IP Calls are calls made between Onsight endpoints using the IP address as the address of the contact in comparison SIP Calls are made using the SIP URI as the address ofthe contact Only used by the Firewall Detect test if TeamLinkis enabled 3 Firewall Requirements Allowing SIP Traffic The following ports must be opened to allow SIP and Media traffic tothe SIP Server and or TeamLink Server SIP TCP UDP 5060 The Onsight endpoints use SIP TCP 5060 by default but the option to use SIP UDP 5060 is provided SIP TLS TCP 5061 Optional but required if using TLS encryption for SIP messaging on the SIP Server SIP TLS provides encrypted SIP messages and requires the installation of certificates on the Onsight endpoints UDP Media Ports see NOTE 1 The range of media ports allows the following RTP RTCP streams o Video o Voice o Subject Audio o Data HTTPS HTTP STUN for TeamLink NOTE 1 Each connection between the Onsight Device and Onsight Connect endpoints will require 16 UDP ports 8 for each endpoint 4 RTP and 4 RTOP The SIP Server passes RIP video audio subject audio data streams and their associated RTCP streams over the UDP Media Ports Each stream sends and receives on the same port number The range of UDP ports that must be opened for
10. he video stream s source port is 6000 and it is sending to destination port 6000 on the Onsight Device They re both on the same LAN and communication directly with each other The SIP destination port is always 5060 or 5061 for SIP TLS 1 2 3 Direct SIP Server Registration Firewall NAT traversal is required to establish a session when the endpoints are not located on the same LAN This is accomplished by using a SIP Server Each endpoint registers to the SIP Server which is typically located outside of the Firewall The SIP Server acts as a proxy and directs SIP messaging and data traffic between the endpoints Each endpoint is assigned a unique Uniform Resource Identifier URI by the SIP Server which is used as the contact address for the endpoint Its format is user sipdomain com SIP TCP RTP UD 5i P 7 CP RTP UD P pe SIP Server UDP Congue i When the Onsight endpoints are registered to the SIP Server both the Onsight Device and Onsight Connect for PC can initiate calls by calling the contact address URI of the other endpoint Application Note Onsight Network Requirements 7 2007 2013 Librestream The Onsight Connect for PC Software will attempt to open the following Source ports on the PC to initiate sending traffic to the SIP Server Subject Audio RTP RTCP UDP 6002 6003 Dictated by SIP Server RTP RTCP UDP 6004 6005 Dictated by SIP Server RTP UDP 6006 Dictated by SIP Server Each RI
11. ints For the SIP protocol the source port on the Originating endpoint is random the destination port is TCP 5060 The calling endpoint will try to open the UDP ports as listed in the following table If a UDP port is already in use on the system the Onsight endpoint will increment the UDP port by one until it finds an open port The port number will increment until a maximum of 6200 The UDP Media traffic will always be in the port range of 6000 to 6200 when both endpoints exist on the same LAN Note that for each RTP stream there is an associated RTCP stream with the exception of the Data stream When two endpoints are using a SIP Server to communicate the UDP destination ports will be in the range dictated by the SIP Server configuration however the UDP source ports should be in the 6000 to 6200 range i i Local Area Network and is sent over the internet Table 2 1 Onsight Connect Source Ports Category SRC Port s Notes pem SSS i 2 RTP RTCP 6000 6001 Subject RTP RTCP Audio SIP Signaling SIP Signaling 6002 6003 RTP RTCP 6004 6005 RTP RTCP 6006 Random HTTPS HTTP Random Application Note Onsight Network Requirements Direct IP Calls Status control data etc Firew all Detect Mapped address TeamLink 10 Note that the Firewall NAT wil change source ports as the traffic exits the PC Device sends SIP TCP pkts out with SRC 2x and DST 5060 PC Device sends SIP
12. n Onsight Collaboration session TCP port 5060 is used for the SIP Protocol and UDP ports 6000 6200 are used for Media audio video and data Direct IP Address Call SIP INVITE w SDP SIP 100 Trying SIP 100 Ringing SIP 200 OK w SDP SIP ACK RTP RTCP Voice RTP RTCP Datastream RTP RTCP Video RTP RTCP Subject Audio SIP BYE e SIP 2000K Application Note Onsight Network Requirements 6 2007 2013 Librestream The Onsight Connect will attempt to open the following Source ports on the PC to initiate sending traffic to the Onsight Device Default Source Ports for SIP RIP RTCP SIP TCP random Video RTP RTCP 6000 6001 Subject audio RTP RTCP 6002 6003 Voice RTP RTCP 6004 6005 Data RTP 6006 Each RIP stream has an RTCP stream associated wth it e g video happens over RTP 6000 and its associated RTCP stream is over 6001 RICP provides statistics on the RTP stream However if these ports are already in use on a PC Onsight Connect will increment the source port until it finds a free one So the possible range of UDP source ports starts at 6000 and is determined by availability of UDP ports on the Onsight Connect Host PC The Onsight Device will always use these source ports 6000 6001 6002 6003 6004 6005 6006 because it is a closed system Destination Ports when using Direct IP Calls The destination ports are usually the same so that t
13. nts 14 02007 2013 Librestream TeamLink uses existing open ports on the Firewall TCP 443 for HTTPS or TCP 80 for HTTP if configured 5 1 TeamLink Encapsulation When using TeamLink the Onsight Endpoint will encapsulate SIP TCP and Media RTP RTCP UDP traffic in either HTTP or HTTPS protocol packets The TeamLink Server receives these packets and strips off the HTTP HTTPS encapsulation before forwarding them to the SIP Server The SIP Server will send responses to the TeamLink Server TeamLink encapsulates the packets before sending them back to the Onsight Endpoint A PUT TeamLink Server mS IPICP RTP UD pe SIP Server W Firewall PI 5 2 Firewall Detect Firewall Detect is an Onsight System feature that tests the ports on the local Firewall to determine the best method for SIP Registration or rather when to use TeamLink versus direct registration to the SIP server Firewall Detect is only active if TeamLink is enabled The test is conducted by sending test traffic to the TeamLink server i e the test server If the Firewall test detects that the local firewall ports are open to the TeamLink server then the Onsight Endpoint assumes the ports are also open to the SIP Server That is if SIP ports are open to TeamLink the Onsight Endpoint attempts to SIP register directly to the SIP Server if SIP ports are closed the Onsight Endpoint will use TeamLink to register to the SIP Server indirectly o Fire
14. oint registers to it If the Private server does not respond the Onsight endpoint will attempt to register to the Public server The method used to register to the Public Server will depend on the results of the Firewall Detect test see Section 6 1 for details If only one of the Public or Private Server settings are configured the Onsight endpoint will attempt to register to it based on the results of the Firewall Detect test Application Note Onsight Network Requirements 13 2007 2013 Librestream 4 2 Session Initiation Protocol Communication Exchange Endpoint SIP Server SIP REGISTER w o SIP REGISTER w o credentials credentials Registration SIP 401 Unauthorized SIP 401 Unauthorized Phase SIP REGISTER w credentials SIP 200 OK SIP INVITE w SDP Call Phase RTP RTCP Subject Audio SIP BYE SIP 200 OK SIP REGISTER w credentials SIP 200 OK SIP INVITE w SDP SIP 100 Trying RTP RTCP Subject Audio SIP BYE SIP 200 OK 5 Onsight TeamLink HTTP S Tunneling Server In situations where it is not possible or practical to open the required SIP and UDP ports on the Firewall TeamLink can be used to tunnel all SIP and Media traffic encapsulated in HTTP S packets to a TeamLink Server The TeamLink Server will proxy all traffic to the SIP Server on behalf of the Onsight Endpoint behind the Firewall The advantage of this method is that Application Note Onsight Network Requireme
15. on is attempted Media streams are sent directly to the SIP Server TeamLink registration and HTTP S tunneling are enabled Closed Public IP Address of Firewall cannot be determined the remaining port tests are aborted TeamLink tunneling is enabled SIP Registration Is proxied through TeamLink Media streams are tunneled through TeamLink TeamLink is blocked can t register to TeamLink i If Firewall Detect determines that all ports are blocked to TeamLink including HTTPS and HTTP Application Note Onsight Network Requirements 16 Onsight Connect will attempt to register directly to the SIP Server 2007 2013 Librestream 6 Web HTTP S Proxy Configuration Web Proxies act as an intermediary between a client and the internet When a client requests a resource from the internet e g a PC browser requests a web page the Web Proxy requests it on the client s behalf Because both Onsight Connect and TeamLink use HTTP S protocols to communicate with the Onsight Connect service and tunnel SIP traffic it is possible that it will be routed through an internal Web HTTP S Proxy at your location Onsight Endpoints can be configured to use the Web Proxy at your location Proxy Settings options include No Proxy Use System Settings or Manual Proxy configuration Onsight Connect also supports Proxy Authentication On a PC the Onsight Connect option Use System Settings will use the client s Proxy configura
16. psulattoli sinsin OANA TEA 15 5 2 Fire wall De rm 15 6 WEB HTTP S PROXY CONFIGURATION erra 17 f POTENTIALISSUES uci ditiuterbem diste a D ra SR re Dx RN NE rie dessin 17 7 1 Teamlank Fire wall Detect Limitations cisscsssscsiscasssscocsessnsscossocssasscsocsessnessenssonesdecsesbuasvasssovssones eesbosecsvocsse 17 7 2 CISCO SIP AMAR OPE T T E I U 18 8 ONSIGHT CONNECT SERVICE CHECK LIST 18 Application Note Onsight Network Requirements 2 02007 2013 Librestream 1 Onsight Connect Service Network Requirements 1 1 Onsight Connect Overview This document provides a description of the network requirements for Onsight Connect on a Local Area Network and on the Internet Onsight Connect relies on the HTTPS protocol for communication between the Onsight endpoints and the Onsight Connect Servce All communication is encrypted using SSL When a user logs in to their Onsight endpoint they are authenticated against their user credentials by the Onsight Connect service Once the Onsight user is authenticated their endpoint automatically receives configuration settings from the Onsight Connect service and they can begin using Onsight Connect Onsight Connect only handles user authentication and configuration of the Onsight endpoint all other aspects of Media collaboration is han
17. ptional services can enable AES 128 key encryption and secure call control with SIP TLS e onsight librestream com 50 57 49 192 e Siphost librestream com 64 4 89 118 e teamlink10 librestream com 50 57 93 169 Application Note Onsight Network Requirements 4 02007 2013 Librestream Onsight Connect Service Providers Lon ETE SERVICE PROVIDERS Onsight Account Manager Onsight SIP Service Onsight TeamLink provides provides provides Adminstration Call Control Tunneled Firewall User Authentication Configuration Firewall Traversal NAT Traversal when SIP ts and Global Directory blocked oo bot 5447 9 f f Onsight Account Manager Onsight SIP Service Onsight TeamLink Librestream Application Note Onsight Network Requirements 5 2007 2013 Librestream Onsight Connect Network Requirements for Hosted SIP Service 1 2 1 SIP Overview Onsight Connect uses Session Initiation Protocol SIP to establish an audio and video communication session between endpoints Communication can occur directly between the Onsight Endpoints when they are on the same LAN or it can occur via a SIP Proxy Server when they exist on different networks 1 2 2 Direct IP Calling When both Onsight endpoints exist on the same LAN they can communicate directly using the IP address of each Onsight endpoint as the contact address to route traffic between each other Table 2 1 describes the source ports for the SIP and UDP traffic involved in a
18. s accessible by the SIP endpoint when it is also outside the Firewall The Private Server is located behind the Firewall on a private network the SIP endpoint is also on the private network when it registers to the Private Server Application Note Onsight Network Requirements 8 2007 2013 Librestream 1 My Profile Public Server siphost librestream com eh TCP D TLS Status Registered fsiphost librestream comm Authentication Authentication Name Type ix Digest Firewall detection is used to determine the availability of the Public Server and potential connectivity methods i e Direct SIP vs TeamLink Proxy SIP If a Private server is specified the Onsight software will use the SIP OPTIONS method rather than Firewall detection to determine if the Private server is available The SIP OPTIONS method allows a SIP endpoint to query another SIP endpoint or a proxy server as toits capabilities If the Private server responds tothe SIP OPTIONS method SIP registration will be attempted to the internal server If it is not registration will be attempted to the external server based on the results of the Firewall detection tests Application Note Onsight Network Requirements 9 02007 2013 Librestream 2 Onsight Network Protocols and Local Ports 2 1 Network Protocolsand Local Ports Table This table describes the protocols and Local ports used by Onsight Connect for SIP messaging and data transfer between Onsight Endpo
19. tion found under Control Panel Internet Properties Connections LAN Settings Onsight Connect Devices e g 2500 or 2000 support Manual Proxy configuration and Authentication Onsight for iOS Devices supports Use System Settings and Manual If Use System Settings is selected the proxy configuration will be used from the currently selected Wireless Network configuration under Settings o Your Enterprises Web Proxy must allow traffic to the both 4 Onsight librestream com and TeamLink teamlink 10 librestream com Direct SIP Traffic is not sent through a Web Proxy it is only routed through a Web Proxy when TeamLink is enabled and the connection method is HTTPS or HTTP Recall that the Firewall Detect test determines the suitable connection method SIP HTTPS or HTTP depending on the results of the Firewall test 7 Potential Issues 7 1 TeamLink Firewall Detect Limitations The firewall detection implementation of TeamLink and the Onsight Connect endpoints have these known issues 1 TeamLink won t correctly interpret firewalls that have been configured to block SIP and Media ports to TeamLink but allow HTTP S This may resultinthe use of TeamLink s HTTP HTTPS tunneling whenitis notrequired Thisis because the SIP ports are tested using the TeamLink Serveras the destination If the Firewall blocks SIP to TeamLink this will be reported as SIP blocked even though it allows SIP to an unknown SIP Server Appli
20. wall Detect determines the best method of SIP Registration based on the results of the port teststo b 4 the TeamLink server If your Enterprise allows direct SIP registration to the SIP server and has endpoints that wil migrate from inside the Firewall to outside Firewall Detect wil provide the most accurate results if the Enterprise s Firewall allows traffic to Teamlink over the following ports TeamLink i The tested range of SIP HTTP HTTPS and UDP ports is configured on the Onsight Endpoint by b Librestream They are based on the required ports for Librestream s Hosted SIP Service Application Note Onsight Network Requirements 15 2007 2013 Librestream The Firewall Detect Test uses Session Traversal Utilities for NAT STUN protocol to determine the mapped Public IP address of the Firewall STUN traffic is sent to UDP destination port 3478 of the TeamLink Server by the Onsight Endpoint STUN is also used to test UDP ports 58024 and 98523 Firewall Detect Matrix IP Type Protocol Port Destination Result UDP or Port Range under TCP Test 3478 teamlink10 librestream com 50 57 93 169 58024 58523 teamlink10 librestream com 50 57 93 169 TCP 5060 5061 teamlink10 librestream com 50 57 93 169 TCP 80 443 teamlink10 librestream com 50 57 93 169 IP Address Hostname Public IP Address of the Firewall is discovered the remaining port tests are run Direct SIP Server Registrati
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