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<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m creating a configuration is for a SIP <> HTTP gateway (performing protocol conversion) and thus all SIP messages and responses needs to be generated from the kamailio config file.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I’m failing to create the case where the calling user abandons the session, and thus, following the reception of a CANCEL a 200 “OK” needs to be sent to this transaction and later the 487 “Request Terminated” to the SIP INVITE original
session.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">On the traces I see:<o:p></o:p></p>
<p class="MsoNormal">SIP INVITE (Cseq 1 INVITE) --><o:p></o:p></p>
<p class="MsoNormal">100 Trying (Cseq 1 INVITE) <--<o:p></o:p></p>
<p class="MsoNormal">180 Ringing (Cseq 1 INVITE) <--<o:p></o:p></p>
<p class="MsoNormal">SIP CANCEL (Cseq 1 CANCEL) --><o:p></o:p></p>
<p class="MsoNormal">200 Ok (CSeq 1 CANCEL) <--<o:p></o:p></p>
<p class="MsoNormal">487 Request Terminated (CSeq 1 CANCEL) <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Have then tried several options, trying to force the CSeq 1 INVITE but without success.
<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt">t_reply_callid("$ci", "$cs", "487", " Request Terminated ");<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt">t_reply_callid("$ci", "$rm", "487", "Request Terminated");<o:p></o:p></p>
<p class="MsoNormal" style="text-indent:36.0pt">t_reply_callid("$ci", "1", "487", "Request Terminated");<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">For instance, for the last I get the following log.<o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:Menlo"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"> 6(60226) exec: *** cfgtrace:request_route=[REQINIT] c=[/etc/kamailio/kamailio.cfg] l=705 a=28 n=t_reply_callid<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"> 6(60226) DEBUG: tm [t_lookup.c:1715]: t_lookup_callid(): created comparable call_id header field: >Call-ID: 76589ZTJmNTAwZDhlOTZiM2I3MjhhYzllNjgyOWVjZGZmMzk<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"><<o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"> 6(60226) DEBUG: tm [t_lookup.c:1719]: t_lookup_callid(): created comparable cseq header field: >CSeq: 1 INVITE<<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"> 6(60226) DEBUG: tm [t_lookup.c:1722]: t_lookup_callid(): just locked hash index 18668, looking for transactions there:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"> 6(60226) DEBUG: tm [t_lookup.c:1749]: t_lookup_callid(): DEBUG: t_lookup_callid: transaction not found.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:Menlo"> 6(60226) DEBUG: tmx [tmx_mod.c:500]: t_reply_callid(): Lookup failed - no transaction<o:p></o:p></span></p>
<p class="MsoNormal" style="text-indent:36.0pt"><o:p> </o:p></p>
<p class="MsoNormal">Could you assist here?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal">Joao<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b><span style="font-size:9.0pt;font-family:"Verdana",sans-serif">Joao Alves</span></b><b><span style="font-size:9.0pt;font-family:"Verdana",sans-serif"><o:p></o:p></span></b></p>
<p class="MsoNormal"><span style="font-size:7.5pt;font-family:"Verdana",sans-serif;color:black">Solution Architect, Unified Communications</span><span lang="EN-GB" style="font-size:7.5pt;font-family:"Verdana",sans-serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:7.5pt;font-family:"Verdana",sans-serif"><o:p> </o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:7.5pt;font-family:"Verdana",sans-serif">+351 214094660 (desk)</span><span lang="EN-GB" style="font-size:12.0pt;font-family:"Times New Roman",serif"><o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-GB" style="font-size:7.5pt;font-family:"Verdana",sans-serif">+351 912783702 (mobile)<o:p></o:p></span></p>
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