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</o:shapelayout></xml><![endif]--></head><body lang=FR link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>I can reproduce the issue on a pre-production system.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>So, I downgraded to 4.1.5.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>Here is the difference:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>The INVITE comes into NATDETECT:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>route[NATDETECT] {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> xlog("ENTERING NATDETECT routes\n");<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>#!ifdef WITH_NAT<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> force_rport();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> if (nat_uac_test("18")) {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> if (is_method("REGISTER")) {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> fix_nated_register();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> } else {<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> add_contact_alias();<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> }<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> setflag(FLT_NATS);<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> xlog("NAT_UAC_TEST OK\n");<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> }<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>#!endif<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> return;<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>}<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>With Kamailio 4.2.0, the NAT_UAC_TEST returns true whereas with 4.1.5 returns false.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>I also look at the “force_rport”. I’m not sure if it’s related, but with 4.2.0, the Via looks like:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'> Via: SIP/2.0/UDP PST_GW:5060;received=PST_GW;rport=5060;branch=z9hG4bK-34d5-1416308856-4847-441\r\n<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>In 4.1.5:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>Via: SIP/2.0/UDP PST_GW:5060;rport=5060;branch=z9hG4bK-2e3d-1416311184-4886-146\r\n<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>The received parameters is not added. Note that PSTN_GW refers to a public IP address (out of RFC1918 and Carrier Grade NAT).<o:p></o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></a></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'>Igor.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-GB style='mso-fareast-language:FR'>De :</span></b><span lang=EN-GB style='mso-fareast-language:FR'> Igor Potjevlesch [mailto:igor.potjevlesch@gmail.com] <br><b>Envoyé :</b> mardi 18 novembre 2014 11:43<br><b>À :</b> sr-</span><span style='mso-fareast-language:FR'>users@lists.sip-router.org<br><b>Objet :</b> Issue with 4.2.0 and nathelper and/or rtpproxy<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'>Since I done the upgrade of Kamailio into 4.2.0, there are, at least, one new case where the RTPProxy is launched.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'>When I got an INVITE from my PSTN Gateway, for unknown reason (and not for all calls), Record-Route is append with nat=yes. I looked into an old trace and this behaviour didn’t exist.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'>What could have changed that can explain this?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'>Regards,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'>Igor.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-GB style='font-size:9.0pt;font-family:"Verdana",sans-serif'><o:p> </o:p></span></p></div></body></html>