[SR-Users] RTPEngine a=rtcp-mux

[Richard Fuchs]

On 02/06/17 07:40 AM, Igor Olhovskiy wrote:
> Hi!
>
> I’m trying to make RTPEngine to work with calls Browser <-> SIP.
> Call From SIP to Browser working perfectly, but when calling to SIP 
> from Browser, on 200 OK (sdp) I don’t receive
> ...
> a=rtcp-mux
> ...
> lines, but it was told to RTPEngine on reply_route to add this. And 
> this line is mandatory for me, cause I don’t control JS softphone on 
> other side
>
> Reply route in a case of Browser->SIP call looks like
>
> reply_route[REPLY_R] {
> …
>   rtpengine_answer("internal external UDP/TLS/RTP/SAVPF ICE=force 
> rtcp-mux-offer");
> ...
> }
>
> Also I’ve tried with rtcp-mux-accept but still no luck

You cannot "offer" rtcp-mux an in "answer".

I believe what you want is to use rtcp-mux-demux in the offer.

Cheers
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