CVP Codec Selection

[Javier Cuadros]

Hi,

I'm working on a implementation of CPV with PCCE. At the moment i have set the configuration of CVP PSTN Gateway to recieve calls from PSTN and calls are working normally. call get routed to CVP and then to ICM and finally to the agent. The problem is that the call initially is answered by gateway with G711u, and then when the call is transferred to Agent, codec is not switched to G729, call still using G711u any idea why this behavior is?

On the gateway i have set the voice class-codec to choose as first option the codec g729 and then as second g711, on the cucm agents are provisioned on the same device pool as cvp server, this config is set this way since im aware CVP Server does not negotiate media, but this negotiation is made directly from CVP Gateway.

thanks in advance for the help.

[Chris Deren]

This is because the calls arrive via the central SIP trunk, take a look at this for a workaround, which has worked well for me:

http://tools.cisco.com/Support/BugToolKit/search/getBugDetails.do?method=fetchBugDetails&bugId=CSCsr78673

HTH,

Chris

[Ryan Burtch]

This may help. See link

https://www.dropbox.com/s/05jyzmi5ws6pgkk/CVP%20Advanced%20Tips%20and%20Tricks%20Vol%202_BRKCCT-3030.pdf