One-way Audio

Unanswered Question
Sep 3rd, 2009

I have a CUCM 6.0 and MGCP Gateway with E1 link to a PBX and a CME in a remote site shanghai, when I call from a CME IP phone to PBX phone have audio only in the IP phone, analog phone no audio. A call from a local IP to a telephone on the PBX I have audio in both directions.

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Nicholas Matthews Thu, 09/03/2009 - 07:09

I would try two things:

mgcp bind media source-interface FastEthernet0/0

And these commands:

mgcp behavior g729-variants static-pt

mgcp behavior dynamically-change-codec-pt disable

-nick

Nicholas Matthews Wed, 09/16/2009 - 13:19

These commands are for a workaround for a bug in the latest IOS. You didn't state your version so it was speculation. I wouldn't worry about these.

-nick

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