CIPC and PSTN access when using low bandwidth codec

Unanswered Question
Jul 4th, 2009

Got CUCM 6.1.3 with MGCP controlled gateway with access to PSTN.

When I use softphone and g729 codec (marked option optimized for low bandwidth) all calls to PSTN are connected but both way no voice as g729 is a codec.

Tried to use transcoder but still same issue.

How to force CIPC to use different codec on calls to PSTN?

I have this problem too.
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david-lima Sat, 07/04/2009 - 07:11

Hi, your CIPC is in your HQ or remote office?

To force to G711 you need to configure a device pool and a region with G711 (within this region) and G7XX (with other regions) and assign this device pool to the CIPC configuracion.

Hope this help

David

KonradStepniewski Sat, 07/04/2009 - 07:54

Doesn't matter where is my CIPC. When I use softphone in region where G711 is only codec it use g729 with local gateway when option is marked.

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