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Optimize Dial Peer and Network Interface Configurations
Validation Tips
You can check the validity of your
•If you have relatively few dial peers configured, you can use the show
•Use the show dialplan number command to show the dial peer to which a particular number (destination pattern) resolves.
Troubleshooting Tips
If you are having trouble connecting a call and you suspect the problem is associated with
•Ping the associated IP address to confirm connectivity. If you cannot successfully ping your destination, refer to the Network Protocols Configuration Guide, Part 1.
•Use the show
•Use the show dialplan number command on the local and remote routers to verify that the data is configured correctly on both.
•If you have configured number expansion, use the show
•If you have configured a CODEC value, there can be a problem if both VoIP dial peers on either side of the connection have incompatible CODEC values. Make sure that both VoIP peers have been configured with the same CODEC value.
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Use the debug vpm spi command to verify the output string the router dials is correct.
Use the debug cch323 rtp command to check RTP packet transport.
Use the debug cch323 h225 command to check the call setup.
Optimize Dial Peer and Network Interface Configurations
Depending on how you have configured your network interfaces, you might need to configure additional VoIP
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Configure IP Precedence for Dial Peers
Configure RSVP for Dial Peers
Configure CODEC and VAD for Dial Peers
Configure IP Precedence for Dial Peers
If you want to give