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Community Member

Silence Detection

I have recently upgraded a system to Unity 2.4.6.135, CallManager 3.1(3a)SPB, and TSP 6.0.1. This gateway is connected to a PBX that does not support disconnect. Prior to the upgrade, a call that was forwarded to VM would terminate due to VM detecting silence. We are now getting 5 min long blank VM messages frequently due to callers hanging up. It appears that Unity is no longer using silence detection, any thoughts on this?<br><br>

2 REPLIES
Anonymous
N/A

Re: Silence Detection

What are the incoming media streams to Unity on these calls: g711 or g729? Silence detection doesn't work on g729.

Steve Olivier
Software Engineer
Cisco Systems

Community Member

Re: Silence Detection

We are using G.711 only.

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