[SR-Users] question regarding rtpengine and ICE candidate selection

Andrew Chen achen at fuze.com
Fri Dec 4 16:39:49 CET 2020

So my next question would be:

My 200 OK back to the client should have rtpengine as the only ICE
candidate.  Shouldn't it use that one instead?

On Fri, Dec 4, 2020 at 10:18 AM Richard Fuchs <rfuchs at sipwise.com> wrote:

> On 04/12/2020 09.40, Andrew Chen wrote:
> > Hey Richard,
> >
> > So that's what I thought too until I saw this in rtpengine logs for
> > one of my test calls:
> >
> > Dec  3 18:05:47 ashmainrtpe42 rtpengine[8505]: DEBUG:
> > [ep1sbnkk9tikhg4kpmot]: Forward to sink endpoint:
> > 2001:8a0:78fc:7000:e1d7:e93:3c50:ee71:59827 (RTP seq 25423 TS 0)
> >
> > unless I misunderstood what this line means.
> I think you did. It means rtpengine has received a media packet from one
> side and has forwarded it to the other side. Of course it's one of the
> ICE candidates from the SDP because that's where the peer said it wants
> to receive the media from rtpengine.
> Cheers
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Andy Chen
Sr. Telephony Lead Engineer
415 516 5535 (M)
achen@ <achen at thinkingphones.com>fuze.com

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