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<p class="MsoNormal"><span style="color:#1F497D">Your ACK is missing the right IP in the RURI (should be the one in the contact header in the 200 OK) and the Route headers for every Record-Route in the 200 OK, if I understand well your scenario…<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> sr-users [mailto:sr-users-bounces@lists.sip-router.org]
<b>On Behalf Of </b>Oliver Roth<br>
<b>Sent:</b> 29 June 2016 16:04<br>
<b>To:</b> Kamailio (SER) - Users Mailing List <sr-users@lists.sip-router.org><br>
<b>Subject:</b> Re: [SR-Users] ACK / BYE transaction problem<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">I removed the changes for the to header – so it is not touched all the time<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">200 ok from [carr]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">SIP/2.0 200 OK<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">From: <<a href="sip:41275279225@212.25.7.69">sip:41275279225@212.25.7.69</a>>;tag=sc1NXPTEST-4c9b51343502af61<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">To: <<a href="sip:0794567735@212.25.7.70">sip:0794567735@212.25.7.70</a>>;tag=snl_0015024070<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Call-ID: 5773d0ab9b30-5bau50gxp4en<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">CSeq: 1 INVITE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Via: SIP/2.0/UDP 185.49.222.44;branch=z9hG4bKbe7c.0f5ca21e3a66f41694ca709ac28c1192.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Via: SIP/2.0/UDP 185.49.222.43;branch=z9hG4bKbe7c.a5e4cba8b1d9a4a56d1120d012a06850.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Via: SIP/2.0/UDP 212.25.7.69:5060;uac=sc1;branch=z9hG4bKsc1NXPTEST-ae749ab817378131<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Record-Route: <<a href="sip:185.49.222.44;lr=on;did=4b7.9422">sip:185.49.222.44;lr=on;did=4b7.9422</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Record-Route: <<a href="sip:185.49.222.43;lr=on">sip:185.49.222.43;lr=on</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Contact: <<a href="sip:794567735@81.7.235.236:5060;transport=udp">sip:794567735@81.7.235.236:5060;transport=udp</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Content-Type: application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Content-Length: 197<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Accept-Language: en;q=0.0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Allow: REGISTER, INVITE, ACK, BYE, CANCEL, NOTIFY, REFER, UPDATE<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Supported: timer<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Session-Expires: 1800;refresher=uas<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">Date: Wed, 29 Jun 2016 13:44:20 GMT<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">o=- 277262053 1 IN IP4 81.7.235.228<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">s=-<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">c=IN IP4 81.7.235.228<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">t=0 0<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">m=audio 24212 RTP/AVP 8 101<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">a=fmtp:101 0-15<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">a=rtpmap:101 telephone-event/8000<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">a=silenceSupp:off - - - -<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" style="font-size:8.5pt;font-family:"Courier New";color:black;mso-fareast-language:DE-CH">a=ptime:20<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">ACK from [lbl] to [gw]<o:p></o:p></span></p>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">ACK <a href="sip:185.49.222.44;did=4b7.9422;lr=on">sip:185.49.222.44;did=4b7.9422;lr=on</a> SIP/2.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">From: <<a href="sip:41275279225@212.25.7.69">sip:41275279225@212.25.7.69</a>>;tag=sc1NXPTEST-4c9b51343502af61<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">To: <<a href="sip:0794567735@212.25.7.70">sip:0794567735@212.25.7.70</a>>;tag=snl_0015024070<o:p></o:p></span></pre>
<pre><span lang="DE-CH" style="font-size:8.5pt;color:black">Call-ID: 5773d0ab9b30-5bau50gxp4en<o:p></o:p></span></pre>
<pre><span lang="DE-CH" style="font-size:8.5pt;color:black">CSeq: 1 ACK<o:p></o:p></span></pre>
<pre><span lang="DE-CH" style="font-size:8.5pt;color:black">Max-Forwards: 28<o:p></o:p></span></pre>
<pre><span lang="DE-CH" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 185.49.222.43;branch=z9hG4bKbe7c.a6f12b66454fbb7b536aa22cef3d568c.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 185.49.222.43;branch=z9hG4bKbe7c.7bc483a166362b13ba3cc40ca60308ea.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 212.25.7.69:5060;branch=z9hG4bKsc1NXPTEST-ae749ab817378131A<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Content-Length: 0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">X-gateway: <null><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">X-SI: <null><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">X-gateway: <null><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">X-SI: <null><o:p></o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Initial Inivte to [gw] from [lbl]<o:p></o:p></span></p>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">INVITE <a href="sip:0794567735@185.49.222.43:5060">sip:0794567735@185.49.222.43:5060</a> SIP/2.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Record-Route: <<a href="sip:185.49.222.43;lr=on">sip:185.49.222.43;lr=on</a>><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">From: <<a href="sip:0275279225@212.25.7.69">sip:0275279225@212.25.7.69</a>>;tag=sc1NXPTEST-4c9b51343502af61<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">To: <<a href="sip:0794567735@212.25.7.70">sip:0794567735@212.25.7.70</a>><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Call-ID: 5773d0ab9b30-5bau50gxp4en<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">CSeq: 1 INVITE<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Allow: INVITE, ACK, CANCEL, BYE, OPTIONS<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Max-Forwards: 29<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">User-Agent: AareSwitch/6.2.8553<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 185.49.222.43;branch=z9hG4bKbe7c.a5e4cba8b1d9a4a56d1120d012a06850.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 212.25.7.69:5060;uac=sc1;branch=z9hG4bKsc1NXPTEST-ae749ab817378131<o:p></o:p></span></pre>
<pre><span lang="FR" style="font-size:8.5pt;color:black">Contact: <</span><span lang="EN-US" style="font-size:8.5pt;color:black"><a href="sip:0275279225@212.25.7.69:5060"><span lang="FR">sip:0275279225@212.25.7.69:5060</span></a></span><span lang="FR" style="font-size:8.5pt;color:black">><o:p></o:p></span></pre>
<pre><span lang="FR" style="font-size:8.5pt;color:black">P-Asserted-Identity: <</span><span lang="EN-US" style="font-size:8.5pt;color:black"><a href="sip:0275279225@212.25.7.69"><span lang="FR">sip:0275279225@212.25.7.69</span></a></span><span lang="FR" style="font-size:8.5pt;color:black">><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Content-Type: application/sdp<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Content-Length: 401<o:p></o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Invite sent to [carr] from [gw]<o:p></o:p></span></p>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">INVITE <a href="sip:41794567735@81.7.235.236">sip:41794567735@81.7.235.236</a> SIP/2.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Record-Route: <<a href="sip:185.49.222.44;lr=on;did=4b7.9422">sip:185.49.222.44;lr=on;did=4b7.9422</a>><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Record-Route: <<a href="sip:185.49.222.43;lr=on">sip:185.49.222.43;lr=on</a>><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">From: <<a href="sip:41275279225@212.25.7.69">sip:41275279225@212.25.7.69</a>>;tag=sc1NXPTEST-4c9b51343502af61<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">To: <<a href="sip:0794567735@212.25.7.70">sip:0794567735@212.25.7.70</a>><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Call-ID: 5773d0ab9b30-5bau50gxp4en<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">CSeq: 1 INVITE<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Allow: INVITE, ACK, CANCEL, BYE, OPTIONS<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Max-Forwards: 28<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">User-Agent: AareSwitch/6.2.8553<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Contact: <<a href="sip:41279225@212.25.7.69">sip:41279225@212.25.7.69</a>><o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 185.49.222.44;branch=z9hG4bKbe7c.0f5ca21e3a66f41694ca709ac28c1192.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 185.49.222.43;branch=z9hG4bKbe7c.a5e4cba8b1d9a4a56d1120d012a06850.0<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">Via: SIP/2.0/UDP 212.25.7.69:5060;uac=sc1;branch=z9hG4bKsc1NXPTEST-ae749ab817378131<o:p></o:p></span></pre>
<pre><span lang="EN-US" style="font-size:8.5pt;color:black">P-Asserted-Identity: <<a href="sip:41275279225@212.25.7.69;user=phone">sip:41275279225@212.25.7.69;user=phone</a>><o:p></o:p></span></pre>
<pre><span lang="DE-CH" style="font-size:8.5pt;color:black">Content-Type: application/sdp<o:p></o:p></span></pre>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><a name="_MailEndCompose"><span lang="EN-US"><o:p> </o:p></span></a></p>
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<p class="MsoNormal"><b><span lang="DE" style="mso-fareast-language:DE-CH">Von:</span></b><span lang="DE" style="mso-fareast-language:DE-CH"> sr-users [<a href="mailto:sr-users-bounces@lists.sip-router.org">mailto:sr-users-bounces@lists.sip-router.org</a>]
<b>Im Auftrag von </b>Francisco Valentin Vinagrero<br>
<b>Gesendet:</b> Mittwoch, 29. Juni 2016 16:00<br>
<b>An:</b> Kamailio (SER) - Users Mailing List <<a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>><br>
<b>Betreff:</b> Re: [SR-Users] ACK / BYE transaction problem<o:p></o:p></span></p>
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<p class="MsoNormal"><span lang="DE-CH"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Hi,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Does the ACK has the correct Router headers and R-URI? Maybe you can share the 200 OK and the ACK headers..<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">I had a similar issue 3 weeks ago.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">Cheers, Francisco.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span lang="EN-US" style="mso-fareast-language:EN-GB">From:</span></b><span lang="EN-US" style="mso-fareast-language:EN-GB"> sr-users [<a href="mailto:sr-users-bounces@lists.sip-router.org">mailto:sr-users-bounces@lists.sip-router.org</a>]
<b>On Behalf Of </b>Oliver Roth<br>
<b>Sent:</b> 29 June 2016 15:55<br>
<b>To:</b> <a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><br>
<b>Subject:</b> [SR-Users] ACK / BYE transaction problem<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="DE-CH"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH">Hi all<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH">Follow scenario<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="DE-CH"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Class5 system [c5] </span><span lang="EN-US" style="font-family:Wingdings">à</span><span lang="EN-US"> Loadbalancer kamailio (dispatcher module) [lbl] -</span><span lang="DE-CH" style="font-family:Wingdings">à</span><span lang="EN-US">
gateway kamailio [gw] </span><span lang="EN-US" style="font-family:Wingdings">à</span><span lang="EN-US"> carrier [carr]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I get Invites from [c5] with<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Request ,To, from, contact, pid in national format 0794445566<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">[lbl] dispatches this to [gw]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">For the [carr] I need international format.<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So doing these transactions in [gw]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">And sending to [carr] in international format<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Request, to, from, contact, … => 417794445566<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Everything ok<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Then I get a 100, 183 and even 200 from [carr]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Ack is coming from [c5] to [lbl] and [gw] – but then it stocks<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">The ACK is not sent to the [carr]<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">I kamailio log I see<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">DEBUG: RFC3261 transaction matching failed<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">DEBUG: t_lookup_request: no transaction found<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">So for me, the ACK cannot be assigned to a transaction and gets discarded by
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">if ( is_method("ACK") ) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> xlog(,"L_INFO", "WITHINDLG ACK - not loose route\n");<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> if ( t_check_trans() ) {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> xlog(,"L_INFO", "WITHINDLG ACK - t_check_trans() \n");
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> # no loose-route, but stateful ACK;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> # must be an ACK after a 487<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> # or e.g. 404 from upstream server<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> t_relay();<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> exit;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> } else {<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> xlog(,"L_INFO", "WITHINDLG ACK - not t_check_trans() DISCARD!!\n");
<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> # ACK without matching transaction ... ignore and discard<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> route(NATMANAGE);<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> #t_relay();<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"> #exit;<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Any idea?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Problem with modifying the sip tags? Or problem with the dialog?<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks for helping<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">OIi<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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