Thanks for the hint! I first tried with setting comfort-noise to "0" which did the trick. No (comfort) noise anymore. Maybe someone should fix the FreeSwitch wiki ( http://wiki.freeswitch.org/wiki/Mod_conference) where the documentation actually says "-1 (total silence)". Markus 2013/6/24 Peter Olsson <peter@olssononline.se>
Remove the comfort-noise param, and see if that helps. -1 might enable it actually.
2013/6/24 Markus von Arx <mkvonarx@gmail.com>
Hi
I'm trying to set up audio conferences with mod_conference. Functionality works fine, but I have a problem with the audio quality of the audio conferences.
If a SIP phone enters a conference as the first participant, FreeSwitch sends back a very noisy audio to that phone. As soon as a 2nd SIP phone joins the same conference, the noise goes away.
The same noise is there if all conference members are muted.
I tried to disable all kinds of comfort noise (e.g. comfort-noise = -1 in conference.conf.xml) etc., but cannot get rid of that noise.
My setup: - FreeSwitch 1.2.10, Windows, x86 compilation. - SIP calls with uLAW, ptime 20. - disabled all wave files in conference.conf.xml
Any ideas, how to get rid of that noise?
Thanks, Markus
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