<div dir="ltr"><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">m=audio 29188 RTP/AVP 0 101 8 3<br>a=rtpmap:101 telephone-event/8000<br>a=fmtp:101 0-16<br>=== cut ===</blockquote><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>I think this is bad, as PCMA isn't listed in the codecs available.</blockquote><div><br></div><div>Oops. You know what 8 in the m=audio line stands for Brian?</div><div>Yes, it is for PCMA.</div><div><br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">How do I debug this?</blockquote><div><br></div><div>You can start from checking if these packets are sent at all, and if you get those packets at all.</div><div>Use wireshark or tcpdump.</div><div>Do the same on both machines, you will see if and where RTP is sent/recved.<br></div><div>If all RTP is sent but it cannot reach your FreeSWITCH, then check ports are allowed in the firewall. </div><div><br></div><div>regards,</div><div><br></div><div><br clear="all"><div><div dir="ltr" class="gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div dir="ltr"><div dir="ltr"><div dir="ltr"><div><font style="background-color:rgb(255,255,255)" size="4" face="arial, helvetica, sans-serif"><img width="96" height="49" src="https://ci3.googleusercontent.com/mail-sig/AIorK4wE8rSMg277YOGBrgEQayYWXH2G53bMgBu7uf-k-vU6x5SD1T6YWorVfbkDegPbnXcFyHwBODg"><br></font></div><div><font style="background-color:rgb(255,255,255)" size="4" face="arial, helvetica, sans-serif"><br></font></div><div><font style="background-color:rgb(255,255,255)" size="4" face="arial, helvetica, sans-serif">Piotr Gregor</font></div><div><span style="background-color:rgb(255,255,255)"><font size="2" face="arial, helvetica, sans-serif">Software Engineer</font></span></div><div><span style="font-family:arial,helvetica,sans-serif;font-size:x-small"><br></span></div><div><span style="font-family:arial,helvetica,sans-serif;font-size:x-small">M: (+44) 07483 866 525     </span><span style="font-family:arial,helvetica,sans-serif;font-size:x-small">L: (+44) 01256 597 470     </span><span style="font-family:arial,helvetica,sans-serif;font-size:x-small">www: </span><a href="http://dataandsignal.com" style="font-family:arial,helvetica,sans-serif;font-size:x-small" target="_blank">dataandsignal.com</a></div><div><br></div><div><br><br><br></div></div></div></div></div></div></div></div></div></div></div></div></div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Aug 3, 2022 at 10:15 PM Brian May <<a href="mailto:brian@linuxpenguins.xyz">brian@linuxpenguins.xyz</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Brian May <<a href="mailto:brian@linuxpenguins.xyz" target="_blank">brian@linuxpenguins.xyz</a>> writes:<br>
<br>
> Never mind, I found<br>
> <a href="https://freeswitch.org/confluence/display/FREESWITCH/verbose_sdp" rel="noreferrer" target="_blank">https://freeswitch.org/confluence/display/FREESWITCH/verbose_sdp</a><br>
<br>
Plus<br>
<a href="https://freeswitch-users.freeswitch.narkive.com/jyFwqoeR/incompatible-destination-did-fs-not-offer-a-codec" rel="noreferrer" target="_blank">https://freeswitch-users.freeswitch.narkive.com/jyFwqoeR/incompatible-destination-did-fs-not-offer-a-codec</a><br>
-- <br>
Brian May <<a href="mailto:brian@linuxpenguins.xyz" target="_blank">brian@linuxpenguins.xyz</a>><br>
<a href="https://linuxpenguins.xyz/brian/" rel="noreferrer" target="_blank">https://linuxpenguins.xyz/brian/</a><br>
<br>
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