Your problem isn't related to comfort noise, just standard codec negotiation. The b-leg will offer the codecs in outbound-codec-prefs on the outbound sofia profile. You can use the absolute_codec_string variable in the dialstring to override that. The behaviour is slightly different if you have disable-transcoding enabled (then the bleg will only offer the aleg codec). On 8 April 2015 at 08:42, ajinkya Betwar <ajinkya.lintel@gmail.com> wrote:

Hello Everyone,

This is Something New.

I am using Freeswitch 1.5 version. I am trying to add comfort noise in media by bridge_generate_comfort_noise variable. But It is choosing same codec for both legs of a call, Instead I want it to select different codecs for both A leg and B leg. In some situation , I need to have 8000 bps on leg A and 16000 bps on leg B, But bridge_generate_comfort_noise by default selects same codec on both leg.

How do I select different codecs for comfort noise on both legs ?

Please Help in this regard.

Thanks.

Ajinkya

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