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

[Andrew Chen]

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.

On Fri, Dec 4, 2020 at 9:34 AM Richard Fuchs <rfuchs at sipwise.com> wrote:

> On 04/12/2020 09.24, Andrew Chen wrote:
> > Hey Richard,
> >
> > So it is true rtpengine is handling rtp between kamailio and receiver
> > (freeswitch).  I'm trying to understand if there is a way to not
> > forward rtp to any of the ICE candidates in the original INVITE
> > request from the client side.  In other words, have the client rtp
> > forward directly to the rtpengine and not any of the STUN servers (or
> > ICE candidates).  i honestly thought putting ICE=force in the
> > rtpengine_answer would help in this case...but I don't see this part
> > working.
>
> But that is what's happening, isn't it? What other media would rtpengine
> be sending to the client if not the media received from the other
> client? So your A client is sending to rtpengine, and rtpengine is
> forwarding that to B, while your B client is also sending to rtpengine,
> which then forwards it to A. Where do you not see that working?
>
> 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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