[SR-Users] Media trouble with kamailio/rtpengine

[Marc Soda]

Thanks for the response.  You're right, the media stream is making it all
the way back to my PC, I just don't hear anything.  And yes, my speakers
are turned up...

I'm not sure what to try next...

On Fri, Dec 19, 2014 at 12:31 PM, Richard Fuchs <rfuchs at sipwise.com> wrote:
>
> On 12/19/14 10:47, Marc Soda wrote:
> > I'm trying to use Kamailio and rtpengine as a webrtc gateway.  I'm not
> > getting audio back to my browser.  From a packet capture I can see media
> > from the browser to rtpengine, and then bi-directional RTP back and
> > forth from my asterisk server, but rtpengine is not sending the media on
> > to the browser, i.e.:
> >
> > browser ---------> kamailio/rtpengine <---------> asterisk
> >
> > This is the output from rtpengine:
> >
> > https://gist.github.com/marcantonio/bfe72644306b205cc7e1
>
> You've caught the same thing as Juha did just earlier, Firefox is doing
> something new called Trickle ICE, which at the moment breaks
> communications with endpoints not supporting it (such as rtpengine).
>
> The second call you posted seems fine. The error you're seeing is
> because RTP was received before DTLS was established and so is expected.
> You can try --dtls-passive as a possible fix. Media should start to flow
> after DTLS gets established though, and according to the logs, media was
> indeed seen in both directions. Try tcpdump to confirm.
>
> cheers
>
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