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<div dir="ltr" data-setdir="false">Are you talking about the following case?</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">A makes a call to FS, and FS sends it to B as below.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">A ----> FS ----> B</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">And in 200 from B, there is no telephone-event in SDP, and you need to convert DTMF from A in telephone-event to in-band audio to B.</div><div dir="ltr" data-setdir="false"><br></div><div dir="ltr" data-setdir="false">/Kaiduan</div><div dir="ltr" data-setdir="false"><br></div><div><br></div>
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On Wednesday, May 12, 2021, 11:29:12 a.m. EDT, Igor Potjevlesh <igor.potjevlesch@gmail.com> wrote:
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--></style><div><div class="yiv1649628383WordSection1"><p class="yiv1649628383MsoNormal"><span lang="EN-GB">Hello,</span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB"><br>I'm working with start_dtmf in order to transcode inband DTMF to RTP-Event.</span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB">That's working fine but I'm wondering how could I check the B-leg SDP to match if there's or not "telephone-event" to do it only if require. That would also allow me to do RFC2833 to inband from A-leg to B-leg.</span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB">I can easily check ${switch_r_sdp} for A-leg, but I can't figure out how to check 200 OK SDP and update the DTMF behaviour accordingly.</span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB"> </span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB">Any idea? Thank you.</span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB"> </span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB">Regards,</span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB"> </span></p><p class="yiv1649628383MsoNormal"><span lang="EN-GB">Igor.</span></p></div><div id="yiv1649628383DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2">
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