[Freeswitch-users] RTCP Keep Alive issue - hangup after 60 seconds of silence

Christopher Rienzo cmrienzo at gmail.com
Fri Jan 14 15:49:08 MSK 2011

I don't know what RTCP keep alive is, but if they just mean to turn on RTCP,
you can do it with the following params in your sofia configuration:

 <!-- enable rtcp on every channel also can be done per leg basis
      with rtcp_audio_interval_msec variable set to passthru to pass
      it across a call -->
 <param name="rtcp-audio-interval-msec" value="5000"/>

or, set the rtcp_audio_interval_msec channel variable.

See http://wiki.freeswitch.org/wiki/RTCP

On Fri, Jan 14, 2011 at 5:16 AM, Andy Ayers <andy at fabulous4.co.uk> wrote:

> Hi,
> Have encountered a problem recently where the company responsible for
> forwarding sip calls to my switch has started hanging up calls when there is
> more than 60 seconds of silence on one side of the call. As my service is
> primarily used for recording incoming messages, this means that any message
> being recorded longer than 60 seconds gets cut off. My provider says I need
> to configure freeswitch to send rtcp keep-alive packets to prevent them from
> hanging up the call.
> Can anyone tell me how I can do this, I’ve checked the docs and can’t seem
> to find the right setting?
> Many thanks
> Andy
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