<div dir="ltr">Yeah sure, attached here is the trace from the CISCO logs. Not in pcap format.<br>Also this is the flow of the call.<br><br><div> </div><div> +-----------+ +--------------+ +------------------+ </div><div> |Provider |+--------> +Kamailio +------>+CISCO IAD | </div><div> +-----------+ +--------------+ +-----------------+ </div><div> | ^ </div><div> v | </div><div> +-----------+ </div><div> |Asterisk | </div><div> +-----------+ </div><div><br>Thanks and best Regards,<br> </div><div>--</div></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 12, 2015 at 11:50 AM, Alex Balashov <span dir="ltr"><<a href="mailto:abalashov@evaristesys.com" target="_blank">abalashov@evaristesys.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="background-color:rgb(255,255,255);line-height:initial"> <div style="width:100%;font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)">Is the UAC in this case a 2543 endpoint by chance? Can you send a complete SIP trace of the entire setup?</div> <div style="width:100%;font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)"><br style="display:initial"></div> <div></div> <div style="font-size:initial;font-family:Calibri,'Slate Pro',sans-serif;color:rgb(31,73,125);text-align:initial;background-color:rgb(255,255,255)">--<br>Alex Balashov | Principal | Evariste Systems LLC<br>303 Perimeter Center North, Suite 300<br>Atlanta, GA 30346<br>United States<br><br>Tel: <a href="tel:%2B1-800-250-5920" value="+18002505920" target="_blank">+1-800-250-5920</a> (toll-free) / <a href="tel:%2B1-678-954-0671" value="+16789540671" target="_blank">+1-678-954-0671</a> (direct)<br>Web: <a href="http://www.evaristesys.com/" target="_blank">http://www.evaristesys.com/</a>, <a href="http://www.csrpswitch.com/" target="_blank">http://www.csrpswitch.com/</a><br><br>Sent from my BlackBerry.</div> <table width="100%" style="background-color:white;border-spacing:0px"> <tbody><tr><td colspan="2" style="font-size:initial;text-align:initial;background-color:rgb(255,255,255)"> <div style="border-style:solid none none;border-top-color:rgb(181,196,223);border-top-width:1pt;padding:3pt 0in 0in;font-family:Tahoma,'BB Alpha Sans','Slate Pro';font-size:10pt"> <div><b>From: </b>SamyGo</div><div><b>Sent: </b>Tuesday, May 12, 2015 11:46</div><div><b>To: </b>SIP Router - Kamailio (OpenSER) and SIP Express Router (SER) - Users Mailing List</div><div><b>Reply To: </b>Kamailio (SER) - Users Mailing List</div><div><b>Subject: </b>[SR-Users] Multi-homed Kamailio Modifies ACK</div></div></td></tr></tbody></table><div><div class="h5"><div style="border-style:solid none none;border-top-color:rgb(186,188,209);border-top-width:1pt;font-size:initial;text-align:initial;background-color:rgb(255,255,255)"></div><br><div><div dir="ltr">Hi all,<div><br><div>I'm having a scenario where I'm sending call to CISCO IAD2431. The call establishes with 200OK from CISCO and Kamailio sends back modified ACK. Cisco at this points gives out an error and sends 200OK again, Kamailio replies with ACK, and this cycle goes on until the call drops.</div><div><br></div><div>Here is the error from CISCO:</div><div><div><br>Failed FROM/TO Request check</div><div> old_from: "Test Phone" <<a href="mailto:sip%3A%2B14432232221@192.168.1.106" target="_blank">sip:+14432232221@192.168.1.106</a>>;tag=as370915fc</div><div> old_to: <sip:+14444812211@<span style="background-color:rgb(255,229,153)"><a href="http://sip.iamip.com:5041" target="_blank">sip.iamip.com:5041</a></span>>;tag=9FEC572E-100F</div><div> new_from: "Test Phone" <<a href="mailto:sip%3A%2B14432232221@192.168.1.106" target="_blank">sip:+14432232221@192.168.1.106</a>>;tag=as370915fc</div><div> new_to: <sip:+14444812211@<span style="background-color:rgb(255,229,153)"><a href="http://192.168.1.244:5041" target="_blank">192.168.1.244:5041</a></span>>;tag=9FE</div><div><br></div></div><div>I've <br><div>#auto_aliases=no</div><div><br>and,<br><div>listen=udp:<a href="http://44.33.22.11:5041" target="_blank">44.33.22.11:5041</a> </div>listen=udp:<a href="http://192.168.1.244:5041" target="_blank">192.168.1.244:5041</a> <br><br>Kamailio sends INVITE through the Public IP to the CISCO gw, but decides to change the ACK header.<br><br>Any advise please.</div></div><div><br></div><div>Best Regards,</div><div>Sammy.</div><div><br></div></div></div>
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