[Freeswitch-users] rtcp-mux on B-leg but there is no signaling in SDP

[Richard Chan]

Thanks - tried master and saw that it is fixed.

Regards
Richard

On Mon, Aug 1, 2016 at 11:48 AM, Michael Jerris <mike at jerris.com> wrote:

> I think we've corrected this in master already.
>
>
> On Sunday, July 31, 2016, Richard Chan <richard at treeboxsolutions.com>
> wrote:
>
>> Hi list,
>>
>> FreeSWITCH 1.6.9 and the default configurations:
>>
>> FreeSWITHCH is using rtcp-mux on the B-leg without signalling in SDP
>> (i.e. no rtcp-mux attribute).
>>
>> If I change rtcp_audio_interval_msec to passthru or say 2000 then there
>> is explicit rtcp-mux in the INVITE SDP.
>>
>> The UAC I'm using, sends a few packets to RTP+1, FreeSWITCH sends RTCP
>> with source port the same as RTP, and the UAC auto-adjusts after 10 or so
>> packets. This UAC always includes an a=rtcp line even if the RTCP port is
>> RTP+1.
>>
>> Is this a "bug"? I would expect FreeSWITCH to signal rtcp-mux on the
>> B-leg.
>>
>> (On the A-leg, FreeSWITCH doesn't use rtcp-mux and includes an explicit
>> rtcp port in SDP).
>>
>>
>>
>>
>>
>> --
>> Richard Chan
>>
>>
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-- 
Richard Chan
Chief Architect

TreeBox Solutions Pte Ltd
1 Commonwealth Lane #03-01
Singapore 149544
Tel: 6570 3725
http://www.treeboxsolutions.com

Co.Reg.No. 201100585R
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