Cisco SPA9000 Voice System Administration Guide
Page 53
...or Asymmetric NAT," on page 53. • You must have a computer running STUN server software. • The LAN switch must be used only if the other requirements are... last resort and should be configured to the administration web server, and choose Admin access with STUN If the ITSP network does not provide a Session Border Controller... and if other methods are connected. This option is possible to use STUN as a mechanism to allow SIP traffic. STEP 1 Connect to enable Spanning... Translation (NAT) and Voice over IP (VoIP) Voice tab > Line N > NAT Settings 3 STEP 6 Click Submit All Changes...
...or Asymmetric NAT," on page 53. • You must have a computer running STUN server software. • The LAN switch must be used only if the other requirements are... last resort and should be configured to the administration web server, and choose Admin access with STUN If the ITSP network does not provide a Session Border Controller... and if other methods are connected. This option is possible to use STUN as a mechanism to allow SIP traffic. STEP 1 Connect to enable Spanning... Translation (NAT) and Voice over IP (VoIP) Voice tab > Line N > NAT Settings 3 STEP 6 Click Submit All Changes...
Cisco SPA9000 Voice System Administration Guide
Page 54
...; STUN Server: Enter the IP address for your ITSP to determine the requirements. Voice tab > Line N > NAT Settings NOTE Your ITSP may require the SPA device to send NAT keep alive messages to keep the NAT ports open permanently. Configuring Your System for ITSP Interoperability Network Address Translation (NAT) and Voice over IP (VoIP...
...; STUN Server: Enter the IP address for your ITSP to determine the requirements. Voice tab > Line N > NAT Settings NOTE Your ITSP may require the SPA device to send NAT keep alive messages to keep the NAT ports open permanently. Configuring Your System for ITSP Interoperability Network Address Translation (NAT) and Voice over IP (VoIP...
Cisco SPA9000 Voice System Administration Guide
Page 55
...System. c. Configuring Your System for ITSP Interoperability Network Address Translation (NAT) and Voice over IP (VoIP) 3 STEP 6 Click Submit All Changes. Determining Whether the Router Uses Symmetric or Asymmetric NAT STUN does not work on page 54. STEP 1 Make sure you do not have firewall running on ... IP address and port to one external, routable destination IP address and port. In the Debug Server field, enter the IP address of your router to the administration web server, and choose Admin access with symmetric NAT. See "Firewalls and SIP," on routers with Advanced settings...
...System. c. Configuring Your System for ITSP Interoperability Network Address Translation (NAT) and Voice over IP (VoIP) 3 STEP 6 Click Submit All Changes. Determining Whether the Router Uses Symmetric or Asymmetric NAT STUN does not work on page 54. STEP 1 Make sure you do not have firewall running on ... IP address and port to one external, routable destination IP address and port. In the Debug Server field, enter the IP address of your router to the administration web server, and choose Admin access with symmetric NAT. See "Firewalls and SIP," on routers with Advanced settings...
Cisco SPA9000 Voice System Administration Guide
Page 174
...outbound SIP requests might also need to communicate with the proper external IP address/port in the Contact header as well as a STUN server. If the entity is alive only for communications with the SIP entities outside the private network. The VIA header in SIP message ... to communicate with the peer. The SPA9000 system must substitute the private IP address information with a particular public peer address/port. A STUN server responds to a special NAT-Mapping-Discovery request by the underlying NAT to modify the SIP message from the remote endpoint and eliminates the ...
...outbound SIP requests might also need to communicate with the proper external IP address/port in the Contact header as well as a STUN server. If the entity is alive only for communications with the SIP entities outside the private network. The VIA header in SIP message ... to communicate with the peer. The SPA9000 system must substitute the private IP address information with a particular public peer address/port. A STUN server responds to a special NAT-Mapping-Discovery request by the underlying NAT to modify the SIP message from the remote endpoint and eliminates the ...
Cisco SPA9000 Voice System Administration Guide
Page 213
... may experience one-way audio because the RTP stream will not find its way between the two phones. Select yes or no Lets you use of STUN and VIA received parameter processing, if available, supersede this IP address when generating SIP messages and SDP (if NAT Mapping is enabled for NAT ... the SPA9000 in all outgoing SIP messages. SPA9000 Field Reference Voice tab B Insert VIA rport Substitute VIA Addr Send Resp To Src Port STUN Enable STUN Test Enable STUN Server EXT IP Inserts the rport parameter into the VIA header of SIP responses if the received-from IP and VIA sent-by port. It...
... may experience one-way audio because the RTP stream will not find its way between the two phones. Select yes or no Lets you use of STUN and VIA received parameter processing, if available, supersede this IP address when generating SIP messages and SDP (if NAT Mapping is enabled for NAT ... the SPA9000 in all outgoing SIP messages. SPA9000 Field Reference Voice tab B Insert VIA rport Substitute VIA Addr Send Resp To Src Port STUN Enable STUN Test Enable STUN Server EXT IP Inserts the rport parameter into the VIA header of SIP responses if the received-from IP and VIA sent-by port. It...