<br><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div link="blue" vlink="purple" lang="EN-US"><div><p class="MsoNormal">
<span style="color:#1f497d"><u></u> <u></u></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""><br></span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""></span></p>
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</div><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Hi,<br></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">I have a question regarding the below ACK response Kamilaio receives from a carrier.<span style="color:#1f497d"> Can someone please help me understand why the “</span><b>Route: <a>sip:callmanager@192.168.160.43:5060</a>> </b>sent from Kamailio is missing a “<” as shown in the captures below? Our Internal proxy is treating that as a malformed header and dropping the packet. <br>
</p><div><div class="h5"><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal"><b>ACK from CARRIER<u></u><u></u></b></p><p class="MsoNormal"><b><u></u> <u></u></b></p><p class="MsoNormal">
U 2012/08/01 18:32:52.219852 <a href="http://4.55.18.227:5060" target="_blank">4.55.18.227:5060</a> -> <a href="http://192.168.160.47:5060" target="_blank">192.168.160.47:5060</a><u></u><u></u></p>
<p class="MsoNormal"><b>ACK <a>sip:callmanager@192.168.160.43:5060</a> SIP/2.0.<u></u><u></u></b></p><p class="MsoNormal">Via: SIP/2.0/UDP 4.55.18.227:5060;branch=z9hG4bK04B0eef33040e9b8e70.<u></u><u></u></p><p class="MsoNormal">
From: <a>sip:+14088442721@4.55.18.227:5060;tag=gK043001e3</a>.<u></u><u></u></p><p class="MsoNormal">To: <a>sip:+19728931740@192.168.160.47:5060;tag=b307370c678f3b44</a>.<u></u><u></u></p><p class="MsoNormal">Call-ID: <a href="mailto:295226_50030734@4.55.18.227" target="_blank">295226_50030734@4.55.18.227</a>.<u></u><u></u></p>
<p class="MsoNormal">CSeq: 18079 ACK.<u></u><u></u></p><p class="MsoNormal">Max-Forwards: 70.<u></u><u></u></p><p class="MsoNormal">Route: <<a>sip:192.168.160.47:5060;lr=on</a>>.<u></u><u></u></p><p class="MsoNormal">
<b>Route: <<a>sip:2c6c6d1ab58c623912f6b8a6ee526982@192.168.160.44:5060</a>>.<u></u><u></u></b></p><p class="MsoNormal">Content-Length: 0.<u></u><u></u></p><p class="MsoNormal">.<u></u><u></u></p><p class="MsoNormal">
<b>ACK FORWARDED TO SIP PROXY<u></u><u></u></b></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">U 2012/08/01 18:32:52.220612 <a href="http://192.168.160.47:5060" target="_blank">192.168.160.47:5060</a> -> <a href="http://192.168.160.44:5060" target="_blank">192.168.160.44:5060</a><u></u><u></u></p>
<p class="MsoNormal"><b>ACK <a>sip:2c6c6d1ab58c623912f6b8a6ee526982@192.168.160.44:5060</a> SIP/2.0.<u></u><u></u></b></p><p class="MsoNormal">Via: SIP/2.0/UDP 192.168.160.47;branch=z9hG4bKcydzigwkX.<u></u><u></u></p><p class="MsoNormal">
Via: SIP/2.0/UDP 4.55.18.227:5060;branch=z9hG4bK04B0eef33040e9b8e70.<u></u><u></u></p><p class="MsoNormal">From: <a>sip:+14088442721@4.55.18.227:5060;tag=gK043001e3</a>.<u></u><u></u></p><p class="MsoNormal">To: <a>sip:+19728931740@192.168.160.47:5060;tag=b307370c678f3b44</a>.<u></u><u></u></p>
<p class="MsoNormal">Call-ID: <a href="mailto:295226_50030734@4.55.18.227" target="_blank">295226_50030734@4.55.18.227</a>.<u></u><u></u></p><p class="MsoNormal">CSeq: 18079 ACK.<u></u><u></u></p><p class="MsoNormal">Max-Forwards: 69.<u></u><u></u></p>
<p class="MsoNormal">Content-Length: 0.<u></u><u></u></p><p class="MsoNormal"><b>Route: <a>sip:callmanager@192.168.160.43:5060</a>>.<u></u><u></u></b></p><p class="MsoNormal">I have attached the config file for you reference. Kamailio version is 3.2.3<u></u><u></u></p>
<p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Thank You for your help/input in advance<br></p><p class="MsoNormal">Varsha<u></u><u></u></p><br></div></div></div></div></div><br>
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