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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Need help with a nagging issue:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>UA->Opensips 1->Opensips 2->PSTN<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>UA sends an invite on Opensips 1, and is routed via do_routing() to Opensips 2, Opensips 2 uses do_routing to get to the PSTN, call starts ringing.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>UA cancels call before answer, but now t_check_trans fails and the CANCEL is not passed onto the PSTN, with the result that the call rings forever and can only be terminated by the remote answering and dropping the call or through a timeout.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>The scripts on Opensips 1 & Opensips 2 is virtuall identical:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>How do I get the CANCEL to the PSTN ?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>route{<o:p></o:p></p><p class=MsoNormal>.....<o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> if (is_method("CANCEL") ) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> route(5); # drop media proxy<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> if (t_check_trans()){ # this always fails after a do_routing()<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> xlog("L_INFO","CANCEL Transaction[$fd/$fu/$rd/$ru/$si/]\n");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> t_relay();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> };<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> }<o:p></o:p></span></p><p class=MsoNormal>}<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'>route[4] {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> xlog("L_INFO","Route4 [$fd/$fu/$rd/$ru/$si/]\n");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> $avp(i:102)=1; # Default dr-group<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> route(10); # Do custom stuff<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> t_on_failure("4");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> if (do_routing("$avp(i:102)")){<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> xlog("L_INFO","Route4 Route to Dyna Group: $avp(i:102)[$fd/$fu/$rd/$ru/$si/]\n");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> t_newtran();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> route(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> };<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> xlog("L_INFO","Route4 No Route to Host[$fd/$fu/$rd/$ru/$si/]\n");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> sl_reply_error();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:10.0pt;font-family:"Courier New"'>}<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Regards<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a href="http://www.greydotelecom.net/bcard/jnysschen.htm" title="Business Card"><span style='color:blue'>Juri Nysschen</span></a><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>