WE have Cisco 3925 Router with CME. We registered 2 IP soft phones and tried making calls,. Calls are working but takin G711. How to make sure that it takes G729 for both onnet and offnet calls.. I have given G729 as the first one in theVocie class codec preference, but stil it takes G711.
You can try setting 'Optimize for Low Bandwidth' under CIPC under Preferences > Audio. However that puts the codec decision into the end users hands which isn't always the best idea. You can try hard coding the codec on dial-peers as mentioned above (using voice-class codec) or you can specify the codec on the ephone for the CIPC as well. You'll want to watch out for codec mismatches with other endpoints and dial-peers as well.
Tthats correct Tom. I think it wont take any dial peer when 2 ip phones calling each other directly in CME. I tried by giving codec preference as G729 directly in the endpoint, but still having the issue..
You can select the G.729r8 codec on a remote IP phone to help save network bandwidth. The default codec is G.711 mu-law. If you use the
codec g729r8 command without the dspfarm-assist keyword, the use of the G.729 codec is preserved only for calls between two phones on the Cisco Unified CME router (such as between an IP phone and another IP phone or between an IP phone and an FXS analog phone). The
codec g729r8 command has no affect on a call directed through a VoIP dial peer unless the dspfarm-assist keyword is also used.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...