Hi Kannan,

> On May 3, 2017, at 14:18, Kannan Murali <[email protected]> wrote:
> 
> Anyway, I will file a bug in Bugzilla as you suggested.

Great. Let us know the bug number so we can ensure it categorized properly.

> Note: When we negotiate the same (maxaveragebitrate=24000; usedtx=1 and CN 
> attribute in SDP), with Chrome, it only sends a SID packet (I assume) every 
> 400ms as per standard. That way we save considerable bandwidth.

After talking to our Opus experts and briefly checking our code base I think it 
should be pretty easy to ad support for usedtx=1 for the Opus codec.
I would see that as a separate issue then enabling CN for the G.711 codecs.

Best
  Nils Ohlmeier

> 
> -KMurali
> 
> On Tuesday, May 2, 2017 at 1:55:48 PM UTC-7, Kannan Murali wrote:
>> Hi:
>> 
>> I have a Firefox WebRTC based client as part of our WebRTC conferencing 
>> solution and I am trying to enable the Silence Suppression feature in my 
>> Firefox WebRTC client.
>> 
>> I am triggering the SDP offer from Firefox WebRTC client, and was expecting 
>> the it to send (negotiate in the offer) CN payload in the m= line in the SDP 
>> offer.
>> 
>> However, I don't see the CN payload negotiated from Firefox and not sure how 
>> to enable the Silence Suppression feature. My intention was to reduce the 
>> bandwidth when there the mic is muted. I do see regular audio packets comes 
>> out of Firefox when the mic is muted.
>> 
>> Does anyone know how to enable the Silence Suppression in Firefox?
>> 
>> -KMurali
> 
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