<p>I have tcpdump saving all SIP traffic to files. Based on the<br>
Call-ID: 3a5e35a4-41f6-1235-7db0-000c29e59fdd<br>
we can see at frame 5, I identified the INVITE that crashed kamailio as  this one:</p>
<p>​INVITE sip:RelayToGateway@202.173.5.181:5060 SIP/2.0<br>
Via: SIP/2.0/UDP 202.173.5.217;rport;branch=z9hG4bK7828rtcXNgZKK<br>
Max-Forwards: 15<br>
From: "05068694099" sip:05068694099@softphone.spc.brastel.ne.jp;tag=60tpj2K802F1r<br>
To: sip:6285747462406@202.173.5.181:5060<br>
Call-ID: 3a5e35a4-41f6-1235-7db0-000c29e59fdd<br>
CSeq: 100817517 INVITE<br>
Contact: sip:mod_sofia@202.173.5.217:5060<br>
User-Agent: FLIP transcoder<br>
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, NOTIFY<br>
Supported: timer, path, replaces<br>
Allow-Events: talk, hold, conference, refer<br>
Content-Type: application/sdp<br>
Content-Disposition: session<br>
Content-Length: 293<br>
X-FlipData: ruri=sip:<a href="mailto:6285747462406@softphone.spc.brastel.ne.jp">6285747462406@softphone.spc.brastel.ne.jp</a>;carrier=8;pai_uri=sip:<a href="mailto:05068694099@softphone.spc.brastel.ne.jp">05068694099@softphone.spc.brastel.ne.jp</a></p>
<p>v=0<br>
o=FreeSWITCH 1482259707 1482259708 IN IP4 202.173.5.217<br>
s=FreeSWITCH<br>
c=IN IP4 202.173.5.217<br>
t=0 0<br>
m=audio 47456 RTP/AVP 0 8 3 101 13<br>
a=rtpmap:0 PCMU/8000<br>
a=rtpmap:8 PCMA/8000<br>
a=rtpmap:3 GSM/8000<br>
a=rtpmap:101 telephone-event/8000<br>
a=fmtp:101 0-16<br>
a=rtpmap:13 CN/8000<br>
a=ptime:20</p>
<p>This is a request from FreeSWITCH acting as a transcoder and I don't see anything out of ordinary in it.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br />You are receiving this because you are subscribed to this thread.<br />Reply to this email directly, <a href="https://github.com/kamailio/kamailio/issues/898#issuecomment-268900504">view it on GitHub</a>, or <a href="https://github.com/notifications/unsubscribe-auth/AF36ZYJ1vxFb9GtNJ8g_LyXtVlY28Pycks5rKvN8gaJpZM4LTeUn">mute the thread</a>.<img alt="" height="1" src="https://github.com/notifications/beacon/AF36ZVx1Ab6UkX-0H1sSTWMpo7tUcPeqks5rKvN8gaJpZM4LTeUn.gif" width="1" /></p>
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