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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Dear Bogdan,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Please can you confirm the changes I mark down with red color or please correct it if its wrong .<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><tt><span style='font-size:9.0pt;color:windowtext'><o:p> </o:p></span></tt></p><p class=MsoNormal><tt><span style='font-size:9.0pt;color:windowtext'><o:p> </o:p></span></tt></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'>if (has_totag()) {</span><o:p></o:p></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'>if (is_method("ACK")) {<o:p></o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'> $avp(timeout2) = 3540; <o:p></o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'><o:p> </o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'><o:p> </o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'>###should I add here loose_route();<o:p></o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'> }<o:p></o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # sequential request withing a dialog should<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # take the path determined by record-routing<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> if (loose_route()) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # validate the sequential request against dialog<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> #if ( $DLG_status!=NULL && !validate_dialog() ) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # xlog("In-Dialog $rm from $si (callid=$ci) is not valid according to dialog\n");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # #exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> #}<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> if (is_method("BYE")) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> end_media_session();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> setflag(1); # do accounting ...<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> setflag(3); #transaction falis<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> } else if (is_method("INVITE")) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # even if in most of the cases is useless, do RR for<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # re-INVITEs alos, as some buggy clients do change route set<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # during the dialog.<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> record_route();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> if (check_route_param("nat=yes")) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> setflag(5);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # route it out to whatever destination was set by loose_route()<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # in $du (destination URI).<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> route(1);<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> } else {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><o:p> </o:p></span></p><p class=MsoNormal style='text-autospace:none'><tt><span style='font-size:9.0pt;color:windowtext'> </span></tt><tt><b><span style='font-size:9.0pt;color:red'>if ( is_method("INVITE")) {</span></b></tt><b><span style='font-size:10.0pt;font-family:"Courier New";color:red'><br></span></b><tt><b><span style='font-size:9.0pt;color:red'> $avp(timeout2) = 3; </span></b></tt><b><span style='font-size:10.0pt;font-family:"Courier New";color:red'><br></span></b><tt><b><span style='font-size:9.0pt;color:red'> }</span></b></tt><b><span style='font-size:9.0pt;font-family:"Courier New";color:red'><o:p></o:p></span></b></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> if ( is_method("ACK") ) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> if ( t_check_trans() ) {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # non loose-route, but stateful ACK; must be an ACK after <o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # a 487 or e.g. 404 from upstream server<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> t_relay();<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> } else {<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # ACK without matching transaction -><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> # ignore and discard<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> sl_send_reply("404","Not here");<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> }<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> exit;<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'> }</span><span style='font-size:9.0pt;font-family:"Courier New";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards<o:p></o:p></span></p><p class=MsoNormal style='text-autospace:none'><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Bogdan-Andrei Iancu [mailto:bogdan@opensips.org] <br><b>Sent:</b> Thursday, March 14, 2013 6:59 PM<br><b>To:</b> OpenSIPS users mailling list<br><b>Cc:</b> M.Khaled W Chehab; 'Brito Nicolas'<br><b>Subject:</b> Re: [OpenSIPS-Users] ACK Timer<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'><tt><span style='font-size:10.0pt'>Hi Khaled,</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br><tt>your mistake here is to set the timeout for INVITE under the </tt></span><tt><span style='font-size:9.0pt'>has_totag() branch - initial INVITEs do not have TO tags.</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br></span><tt><span style='font-size:9.0pt;color:windowtext'>Try:</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br><br><br></span><tt><span style='font-size:9.0pt;color:windowtext'>if (has_totag()) {</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'> if (is_method("ACK")) {</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'> $avp(timeout2) = 3540; </span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'> }</span></tt><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br></span><tt><span style='font-size:10.0pt;color:windowtext'> ..... (loose_route)</span></tt><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br></span><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'>} else {</span></tt><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br></span><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'> if ( is_method("INVITE")) {</span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'> $avp(timeout2) = 3; </span></tt><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'> }</span></tt><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br><br></span><tt><span style='font-size:10.0pt;color:windowtext'> .......</span></tt><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br></span><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:9.0pt;color:windowtext'>}</span></tt><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br></span><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br></span><span style='font-size:10.0pt;font-family:"Courier New"'><br></span><tt><span style='font-size:10.0pt;color:windowtext'>Regards,</span></tt><span style='font-size:10.0pt;font-family:"Courier New";color:windowtext'><br><tt>Bogdan</tt></span><span style='font-size:9.0pt;font-family:"Courier New";color:windowtext'><br><br></span><o:p></o:p></p><pre>Bogdan-Andrei Iancu<o:p></o:p></pre><pre>OpenSIPS Founder and Developer<o:p></o:p></pre><pre><a href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a><o:p></o:p></pre><p class=MsoNormal><br><br><o:p></o:p></p><pre><o:p> </o:p></pre></div></body></html>