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

[Michael Jerris]

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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