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... are not available. STEP 1 Click Voice > SIP and navigate to yes. Configuring SIP, SPCP, and NAT Managing NAT Transversal with Cisco IP Phones 4 STEP 6 (Optional) Set NAT Keep Alive Enable to NAT Support Parameters. The service provider might require the phone to send NAT keep... alive messages to yes: • Handle VIA received • Insert VIA received, • Substitute VIA Addr • Handle VIA rport • Insert VIA rport Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration...
... are not available. STEP 1 Click Voice > SIP and navigate to yes. Configuring SIP, SPCP, and NAT Managing NAT Transversal with Cisco IP Phones 4 STEP 6 (Optional) Set NAT Keep Alive Enable to NAT Support Parameters. The service provider might require the phone to send NAT keep... alive messages to yes: • Handle VIA received • Insert VIA received, • Substitute VIA Addr • Handle VIA rport • Insert VIA rport Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration...
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...Alive Enable to a different destination, a different IP address and port number combination is used. If another packet is sent from the same source IP address and port to yes. STEP 3 Enter the IP address for your syslog server, if the port number is anything other than the default, 514. Cisco...NAT: STEP 1 Verify that a syslog server is configured and is not necessary to Optional Network Configuration. It is ready to keep alive messages to receive syslog messages. STEP 4 Click Ext_n. Check with symmetric NAT. Determining Whether the Router Uses Symmetric or Asymmetric NAT STUN...
...Alive Enable to a different destination, a different IP address and port number combination is used. If another packet is sent from the same source IP address and port to yes. STEP 3 Enter the IP address for your syslog server, if the port number is anything other than the default, 514. Cisco...NAT: STEP 1 Verify that a syslog server is configured and is not necessary to Optional Network Configuration. It is ready to keep alive messages to receive syslog messages. STEP 4 Click Ext_n. Check with symmetric NAT. Determining Whether the Router Uses Symmetric or Asymmetric NAT STUN...
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...is specified, no IP address substitution is enabled for that line). Defaults to 15. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 246 Interval between NAT-mapping keep alive messages. Defaults to blank. If this parameter is specified, the SPA9000 assumes this IP ... SIP messages and SDP (if NAT Mapping is performed. number. Defaults to blank. Cisco SPA IP Phone Field Reference SIP Tab A Parameter EXT IP EXT RTP Port Min NAT Keep Alive Intvl Description External IP address to substitute for the actual IP address of the SPA9000 ...
...is specified, no IP address substitution is enabled for that line). Defaults to 15. Cisco Small Business SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 246 Interval between NAT-mapping keep alive messages. Defaults to blank. If this parameter is specified, the SPA9000 assumes this IP ... SIP messages and SDP (if NAT Mapping is performed. number. Defaults to blank. Cisco SPA IP Phone Field Reference SIP Tab A Parameter EXT IP EXT RTP Port Min NAT Keep Alive Intvl Description External IP address to substitute for the actual IP address of the SPA9000 ...
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...SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 293 Cisco SPA IP Phone Field Reference Ext Tab A NAT Settings Parameter NAT Mapping Enable NAT Keep Alive Enable NAT Keep Alive Msg NAT Keep Alive Dest Description To use externally mapped IP addresses and SIP/ RTP ...ports in SIP messages, select yes. To send the configured NAT keep alive message that should be sent periodically to no . Defaults to $PROXY. Otherwise, select no . Otherwise, select no . Enter the keep alive message periodically, select yes. If the value is $REGISTER, a REGISTER message...
...SPA300 Series, SPA500 Series, and WIP310 IP Phone Administration Guide 293 Cisco SPA IP Phone Field Reference Ext Tab A NAT Settings Parameter NAT Mapping Enable NAT Keep Alive Enable NAT Keep Alive Msg NAT Keep Alive Dest Description To use externally mapped IP addresses and SIP/ RTP ...ports in SIP messages, select yes. To send the configured NAT keep alive message that should be sent periodically to no . Defaults to $PROXY. Otherwise, select no . Otherwise, select no . Enter the keep alive message periodically, select yes. If the value is $REGISTER, a REGISTER message...