[asterisk-users] Calls to voicemail drops after 41 seconds due to no rtp packets

Joshua Colp jcolp at digium.com
Wed Aug 13 08:28:50 CDT 2014

Leandro Dardini wrote:
> Hello,

Kia ora,

> I have my provider dropping the calls after 41 seconds of not receiving
> any RTP from my asterisk. Obviously there is no RTP back when the caller
> is leaving a message in the voicemail. Is it possible to have asterisk
> generate some RTP packet back?

There is a "transmit_silence" option in asterisk.conf which will cause 
Asterisk to transmit silence during certain actions (such as recording). 
If you set this to yes it should resolve your issue.


Joshua Colp
Digium, Inc. | Senior Software Developer
445 Jan Davis Drive NW - Huntsville, AL 35806 - US
Check us out at: www.digium.com & www.asterisk.org

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