<div dir="ltr">If that is the case what is the best way to handle ACK from kamailio?<div><br></div><div>I am using it as proxy server only and for caching registrations.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Apr 28, 2022 at 8:27 PM Henning Westerholt <<a href="mailto:hw@gilawa.com">hw@gilawa.com</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">
<div lang="DE" style="overflow-wrap: break-word;">
<div class="gmail-m_4653627478139863380WordSection1">
<p class="MsoNormal"><span>Hello,<u></u><u></u></span></p>
<p class="MsoNormal"><span><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">the ACK to a 200 OK is not part of the (previous) SIP INVITE transaction. Please refer to the standard for more details:
<a href="https://datatracker.ietf.org/doc/html/rfc3261#section-17" target="_blank">https://datatracker.ietf.org/doc/html/rfc3261#section-17</a><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Cheers,<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Henning<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">-- <u></u>
<u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Henning Westerholt –
</span><span><a href="https://skalatan.de/blog/" target="_blank"><span lang="EN-GB" style="color:rgb(5,99,193)">https://skalatan.de/blog/</span></a></span><span lang="EN-GB"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB">Kamailio services –
</span><span><a href="https://gilawa.com/" target="_blank"><span lang="EN-GB" style="color:rgb(5,99,193)">https://gilawa.com</span></a></span><span lang="EN-GB"><u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-GB"><u></u> <u></u></span></p>
<div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0cm 0cm">
<p class="MsoNormal" style="margin-left:35.4pt"><b>From:</b> sr-users <<a href="mailto:sr-users-bounces@lists.kamailio.org" target="_blank">sr-users-bounces@lists.kamailio.org</a>>
<b>On Behalf Of </b>Linux Vince<br>
<b>Sent:</b> Thursday, April 28, 2022 12:36 PM<br>
<b>To:</b> Kamailio (SER) - Users Mailing List <<a href="mailto:sr-users@lists.kamailio.org" target="_blank">sr-users@lists.kamailio.org</a>><br>
<b>Subject:</b> [SR-Users] t_check_trans failed on ACK<u></u><u></u></p>
</div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
<div>
<div>
<div>
<div>
<div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">I am using Kamailio as registrar and proxy for underlying asterisk server.<u></u><u></u></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">I am able to call but ACK on 200 OK respond from client phones are not validating transaction and thus not relaying correctly.<u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Below are my Invites and 200 OK responses. <u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Invite from Asterisk to Kamailio<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">INVITE <a>
sip:31313004@rigel.com:5060;user=phone</a> SIP/2.0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.69.72:5060;rport;branch=z9hG4bKd6ffff9d46ceb899c245ece204e51c87<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">From: "R31313005 N31313005" <<a>sip:31313005@65.20.69.72:5060;user=phone</a>>;tag=GR52RWG346-34<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">To: "<a href="mailto:31313004@rigel.com" target="_blank">31313004@rigel.com</a>" <<a href="http://sip:31313004@rigel.com:5060" target="_blank">sip:31313004@rigel.com:5060</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Call-ID: <a href="mailto:1558172022-144148450000000029280449@65.20.69.72" target="_blank">
1558172022-144148450000000029280449@65.20.69.72</a><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">CSeq: 1 INVITE<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Contact: <sip:<a href="http://65.20.69.72:5060" target="_blank">65.20.69.72:5060</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">max-forwards: 70<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Allow: PUBLISH, SUBSCRIBE, MESSAGE, ACK, NOTIFY, OPTIONS, REFER, INFO, BYE, CANCEL, INVITE<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Type: application/sdp<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Length: 228<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">v=0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">o=Clarent 155866 155867 IN IP4 65.20.69.72<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">s=Clarent CallManager<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">c=IN IP4 65.20.69.72<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">t=0 0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">m=audio 45168 RTP/AVP 0 8 101<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:0 PCMU/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:8 PCMA/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:101 telephone-event/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=fmtp:101 0-15<u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Invite from Kamailio to Phone<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">INVITE <a href="mailto:sip%3A31313004@65.20.67.118" target="_blank">
sip:31313004@65.20.67.118</a>;lhst=180.211.119.50:25759;lm=midreg SIP/2.0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Record-Route: <<a>sip:65.20.67.118;lr;ftag=GR52RWG346-34</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.67.118;branch=z9hG4bK6cc3.dad7580d3e28f55cbb749dbb82f0c9eb.0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.69.72:5060;received=65.20.69.72;rport=5060;branch=z9hG4bKd6ffff9d46ceb899c245ece204e51c87<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">From: "R31313005 N31313005" <<a>sip:31313005@65.20.69.72:5060;user=phone</a>>;tag=GR52RWG346-34<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">To: "<a href="mailto:31313004@rigel.com" target="_blank">31313004@rigel.com</a>" <<a href="http://sip:31313004@rigel.com:5060" target="_blank">sip:31313004@rigel.com:5060</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Call-ID: <a href="mailto:1558172022-144148450000000029280449@65.20.69.72" target="_blank">
1558172022-144148450000000029280449@65.20.69.72</a><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">CSeq: 1 INVITE<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Contact: <sip:<a href="http://65.20.69.72:5060" target="_blank">65.20.69.72:5060</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">max-forwards: 69<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Allow: PUBLISH, SUBSCRIBE, MESSAGE, ACK, NOTIFY, OPTIONS, REFER, INFO, BYE, CANCEL, INVITE<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Type: application/sdp<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Length: 228<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">v=0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">o=Clarent 155866 155867 IN IP4 65.20.69.72<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">s=Clarent CallManager<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">c=IN IP4 65.20.69.72<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">t=0 0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">m=audio 45168 RTP/AVP 0 8 101<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:0 PCMU/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:8 PCMA/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:101 telephone-event/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=fmtp:101 0-15<u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">200 OK from Phone to Kamailio<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">SIP/2.0 200 OK<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.67.118;received=65.20.67.118;branch=z9hG4bK6cc3.dad7580d3e28f55cbb749dbb82f0c9eb.0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.69.72:5060;rport=5060;received=65.20.69.72;branch=z9hG4bKd6ffff9d46ceb899c245ece204e51c87<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Record-Route: <<a>sip:65.20.67.118;lr;ftag=GR52RWG346-34</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Call-ID: <a href="mailto:1558172022-144148450000000029280449@65.20.69.72" target="_blank">
1558172022-144148450000000029280449@65.20.69.72</a><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">From: "R31313005 N31313005" <<a href="mailto:sip%3A31313005@65.20.69.72" target="_blank">sip:31313005@65.20.69.72</a>;user=phone>;tag=GR52RWG346-34<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">To: "<a href="mailto:31313004@rigel.com" target="_blank">31313004@rigel.com</a>" <<a href="mailto:sip%3A31313004@rigel.com" target="_blank">sip:31313004@rigel.com</a>>;tag=4ecc1f21f1544fd783965f27ff6d95d2<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">CSeq: 1 INVITE<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Contact: <<a>sip:31313004@180.211.119.50:57935;ob</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Supported: replaces, 100rel, timer, norefersub<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Type: application/sdp<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Length: 322<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">v=0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">o=- 3860150297 3860150298 IN IP4 180.211.119.50<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">s=pjmedia<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">b=AS:84<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">t=0 0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=X-nat:0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">m=audio 4016 RTP/AVP 0 101<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">c=IN IP4 180.211.119.50<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">b=TIAS:64000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtcp:4017 IN IP4 180.211.119.50<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=sendrecv<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:0 PCMU/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:101 telephone-event/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=fmtp:101 0-16<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=ssrc:1461220511 cname:3b657c275d2a43f6<u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">200 OK from kamailio to asterisk<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">SIP/2.0 200 OK<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.69.72:5060;rport=5060;received=65.20.69.72;branch=z9hG4bKd6ffff9d46ceb899c245ece204e51c87<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Record-Route: <<a>sip:65.20.67.118;lr;ftag=GR52RWG346-34</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Call-ID: <a href="mailto:1558172022-144148450000000029280449@65.20.69.72" target="_blank">
1558172022-144148450000000029280449@65.20.69.72</a><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">From: "R31313005 N31313005" <<a href="mailto:sip%3A31313005@65.20.69.72" target="_blank">sip:31313005@65.20.69.72</a>;user=phone>;tag=GR52RWG346-34<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">To: "<a href="mailto:31313004@rigel.com" target="_blank">31313004@rigel.com</a>" <<a href="mailto:sip%3A31313004@rigel.com" target="_blank">sip:31313004@rigel.com</a>>;tag=4ecc1f21f1544fd783965f27ff6d95d2<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">CSeq: 1 INVITE<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, INFO, SUBSCRIBE, NOTIFY, REFER, MESSAGE, OPTIONS<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Contact: <<a>sip:31313004@180.211.119.50:57935;ob</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Supported: replaces, 100rel, timer, norefersub<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Type: application/sdp<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Content-Length: 322<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">v=0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">o=- 3860150297 3860150298 IN IP4 180.211.119.50<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">s=pjmedia<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">b=AS:84<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">t=0 0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=X-nat:0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">m=audio 4016 RTP/AVP 0 101<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">c=IN IP4 180.211.119.50<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">b=TIAS:64000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtcp:4017 IN IP4 180.211.119.50<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=sendrecv<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:0 PCMU/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=rtpmap:101 telephone-event/8000<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=fmtp:101 0-16<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">a=ssrc:1461220511 cname:3b657c275d2a43f6<u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">ACK from phone to Kamailio<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">ACK <a>
sip:31313004@180.211.119.50:57935;ob</a> SIP/2.0<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Via: SIP/2.0/UDP 65.20.69.72:5060;rport;branch=z9hG4bK111270de2729ade9e048afa0f9fbb8df<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Route: <<a>sip:65.20.67.118;lr;ftag=GR52RWG346-34</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">From: "R31313005 N31313005" <<a>sip:31313005@65.20.69.72:5060;user=phone</a>>;tag=GR52RWG346-34<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">To: "<a href="mailto:31313004@rigel.com" target="_blank">31313004@rigel.com</a>" <<a href="mailto:sip%3A31313004@rigel.com" target="_blank">sip:31313004@rigel.com</a>>;tag=4ecc1f21f1544fd783965f27ff6d95d2<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Call-ID: <a href="mailto:1558172022-144148450000000029280449@65.20.69.72" target="_blank">
1558172022-144148450000000029280449@65.20.69.72</a><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">CSeq: 1 ACK<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Contact: <sip:<a href="http://65.20.69.72:5060" target="_blank">65.20.69.72:5060</a>><u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">max-forwards: 70<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Allow: PUBLISH, SUBSCRIBE, MESSAGE, ACK, NOTIFY, OPTIONS, REFER, INFO, BYE, CANCEL, INVITE<u></u><u></u></p>
</div>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">This ACK is failing on transaction check and not routing correctly to phone.<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Any help?<u></u><u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt"><u></u> <u></u></p>
</div>
<div>
<p class="MsoNormal" style="margin-left:35.4pt">Thanks<u></u><u></u></p>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</div>
</blockquote></div>