<html><head></head><body><div>Hi,</div><div><br></div><div>This is not supported by webrtcbin. I think the way to do it correctly would require doing the DTMF inside webrtcbin itself. Without doing that, the most you can do is to modify the <br>SDP manually.</div><div><br></div><div>Olivier</div><div><br></div><div>On Wed, 2021-02-24 at 06:16 -0600, Trey Hutcheson wrote:</div><blockquote type="cite" style="margin:0 0 0 .8ex; border-left:2px #729fcf solid;padding-left:1ex"><div dir="ltr">Is there any magic to get webrtcbin to emit an offer that includes both opus and dtmf(telephone-event) for the same media line?<div><br></div><div>If I mux opus and rtpdtmfsrc through rtpdtmfmux, and link that to webrtcbin, the offer only includes opus. If I link opus and dtmf to different webrtcbin sink pads, then I get an offer with two discreet media lines. </div></div><div>_______________________________________________<br></div><div>gstreamer-devel mailing list<br></div><div><a href="mailto:gstreamer-devel@lists.freedesktop.org">gstreamer-devel@lists.freedesktop.org</a><br></div><div><a href="https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel">https://lists.freedesktop.org/mailman/listinfo/gstreamer-devel</a><br></div></blockquote><div><br></div><div><span><pre>-- <br></pre><div data-evo-paragraph="" class="">Olivier Crête</div><div data-evo-paragraph="" class=""><a href="mailto:olivier.crete@collabora.com">olivier.crete@collabora.com</a></div><div data-evo-paragraph="" class=""><br></div></span></div></body></html>