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</o:shapelayout></xml><![endif]--></head><body lang=FR link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB>I work on interconnecting an old SER version with Kamailio.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>When a BYE is sent by the old SER, the “if (loose_route)” instruction returns false and then a “404 Not here” is sent. So the BYE is not relay to the UA. <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>If the BYE is sent by Kamailio, no problem.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Here are the BYE headers received by Kamailio:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Record-Route: <a href="sip:OLD_SER_IP_ADDRESS;ftag=e97b7b77c5a3a9cc;lr=on">sip:OLD_SER_IP_ADDRESS;ftag=e97b7b77c5a3a9cc;lr=on</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Via: SIP/2.0/UDP OLD_SER_IP_ADDRESS;branch=z9hG4bKc9e5.3cbad207.0<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Via: SIP/2.0/UDP UA_IP_ADDRESS_CONNECTED_TO_OLD_SER:5060;rport=5060;branch=z9hG4bK1fbe0a49fe344e6af1efd45b74305a9a<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB>Route: <a href="sip:KAMAILIO_IP_ADDRESS;lr=on">sip:KAMAILIO_IP_ADDRESS;lr=on</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>I looked at the RR module documentation and it’s clearly said that “<span style='color:black'>The loose_route function analyzes the Route: headers in the requests. […]If a Route: header is found, the function returns 1 and behaves as described in section 16.12 of RFC 3261.”.</span> <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Someone has an idea?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB>Igor.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB><o:p> </o:p></span></p></div>
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