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New Member

Second H.245 terminalCapabilitySet packet after OLC. Why?

I'm analysing a problem in a CUCM system. I'm attaching a H.323 trace between two CUCM (through a H.323 Intercluster Trunk).

I'm confused about the second H.245 terminalCapabilitySet. Why are the systems trying to establish a second codec negotiation, after opening the channels? Any idea?

Thank you very much!

2 REPLIES
Cisco Employee

Re: Second H.245 terminalCapabilitySet packet after OLC. Why?

After the call was established ( RTP ), was it diverted to Voicemail or put on hold thus hitting the MoH source ? Codec negotiation will be needed again at such stages.

GP.

New Member

Re: Second H.245 terminalCapabilitySet packet after OLC. Why?

The negotiation is in all calls and just in the beginning, without any call forwarding or user interaction...

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