[SR-Users] RTP Engine multiplexing and De-multiplexing

Richard Fuchs rfuchs at sipwise.com
Wed Jan 13 15:22:23 CET 2016


On 01/13/2016 04:26 AM, riko nir wrote:
> Hello,
>
> A call from a remote webrtc client is coming to (opensips+rtpengine).
> The media streams from the webrtc client is multiplexed. Can I use
> rtpengine to demultiplex the multiplexed streams and send it to other
> end as de-multiplexed SRTP traffic . This is because, the other end
> handle the srtp traffic only in demultiplxed manner.
>
> Also, the streams from the remote end is a separate SRTP and SRTCP
> traffic and the rtpengine has to add required ICE information to make
> the streams to go in a single port and it has to multiplex the streams
> and send it to webrtc client.
>
> It is mentioned that rtpengine can support multiplex/demultiplex. So,
> how can I configure rtpengine for this purpose from opensips?

Use the rtcp-mux-demux option in your offer/answer calls. This instructs 
rtpengine to break out of rtcp-mux.

Cheers



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