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<p class="MsoNormal">Hi all,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span lang="EN-US">We are using kamailio 5.1.6, configured as P-CSCF, facing following problem. Please refer to the attached tshark trace, too.<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 during call setup (by simulated UAs) at the terminating P-CSCF the simulated PCRF rejects the Diameter AAR message (frame 46/47 at the attached trace), then the kamailio P-CSCF runs into a questionable behaviour.<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">By calling the Rx_AAR() function in configuration, the processing of the 200 OK (frame 45) is suspended (by the ims_qos module) and then resumed with the receipt of the AAA message (frame 47).<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">Now the ims_dialog module is called with the dlg_terminate(“all”, “reason”) function, but the 200 OK has not yet been sent. The ims_dialog sends CANCEL downstream and 488 upstream. However, the 200 OK is sent additionally.
We would rather have expected the ims_dialog module should send BYE in both directions.<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">When we respond the CANCEL with 481 Call/Transaction does not exist (which we MUST according to RFC 3261), then we would expect the ims_dialog module at least now to react with BYE in both directions.<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">Could you help? What’s our misunderstanding? How could we proceed to get this issue fixed?<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">Kind regards<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US">Christoph<o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:#FFCC00;mso-fareast-language:DE-AT">____<o:p></o:p></span></p>
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<p class="MsoNormal"><b><i><span lang="EN-US" style="font-size:9.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">Christoph VALENTIN</span></i></b><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT"><br>
Software Developer </span></i><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#FFCC00;mso-fareast-language:DE-AT">|</span></i><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">
R&D<br>
Core / SIP Core<o:p></o:p></span></i></p>
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<p class="MsoNormal"><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">P +43 50 811 3785
</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#FFCC00;mso-fareast-language:DE-AT">|</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT"> M +43 664 628
3785<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT"><a href="mailto:christoph.valentin@kapsch.net" target="_blank"><span style="color:black">christoph.valentin@kapsch.net</span></a>
<o:p></o:p></span></p>
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<p class="MsoNormal"><b><i><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">Kapsch CarrierCom AG</span></i></b><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">
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11 </span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#FFCC00;mso-fareast-language:DE-AT">|</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT"> 1120 Vienna
</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#FFCC00;mso-fareast-language:DE-AT">|</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT"> Austria<br>
Company Register at: Commercial Court Vienna FN 223804 z </span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:#FFCC00;mso-fareast-language:DE-AT">|</span><span lang="EN-US" style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">
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</span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT"><a href="http://www.kapsch.net/" target="_blank"><span lang="EN-US" style="color:black">www.kapsch.net</span></a></span><span style="font-size:8.0pt;font-family:"Arial",sans-serif;color:black;mso-fareast-language:DE-AT">
<span lang="EN-US"><o:p></o:p></span></span></p>
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<p class="MsoNormal"><a href="https://www.kapsch.net/" target="_blank"><span style="font-size:1.0pt;font-family:"Helvetica Neue";color:#337AB7;mso-fareast-language:DE-AT;text-decoration:none"><img border="0" width="146" height="24" style="width:1.525in;height:.25in" id="Bild_x0020_1" src="cid:image001.png@01D4ADBD.A4126480" alt="Kapsch Logo"></span></a><span style="font-size:1.0pt;font-family:"Helvetica Neue";color:#333333;mso-fareast-language:DE-AT"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="mso-fareast-language:DE-AT"><o:p> </o:p></span></p>
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