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<p class="MsoNormal">I am attaching latest config along with kamailio log file and client trace.<o:p></o:p></p>
<p class="MsoNormal">Please let me know how I can get Kamailio to advertise public ip in record route.
<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I followed all the steps mentioned here - <a href="http://www.fredposner.com/1457/kamailio-behind-nat/">
http://www.fredposner.com/1457/kamailio-behind-nat/</a> <o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks<o:p></o:p></p>
<p class="MsoNormal">Pranathi<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Pranathi Venkatayogi <br>
<b>Sent:</b> Wednesday, December 28, 2016 5:09 PM<br>
<b>To:</b> 'sr-users@lists.sip-router.org' <sr-users@lists.sip-router.org><br>
<b>Cc:</b> Mick McGrellis <MMcGrellis@cyracom.com>; 'miconda@gmail.com' <miconda@gmail.com><br>
<b>Subject:</b> RE: Kamailio behind NAT, ACK to private IP not advertised public IP.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">I implemented full NAT logic as per the sample config. Still unable to resolve the issue.<o:p></o:p></p>
<p class="MsoNormal">How do I let Kamailio change record_route header to use public ip address?<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Please help!!!<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">(attached are latest scripts)<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><b>From:</b> Pranathi Venkatayogi <br>
<b>Sent:</b> Wednesday, December 28, 2016 12:39 PM<br>
<b>To:</b> 'sr-users@lists.sip-router.org' <<a href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>><br>
<b>Subject:</b> Kamailio behind NAT, ACK to private IP not advertised public IP.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Hi,<o:p></o:p></p>
<p class="MsoNormal"> I am encountering the same problem described in <a href="https://groups.google.com/forum/#!topic/2600hz-dev/-xvUZUrv4Y4">
google groups</a>. However I dint not find any resolution hence writing again.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"> 200 OK sent from the server has private Ip in its record route. As you see below, though the message is received on public IP (<span style="font-size:9.0pt;background:yellow;mso-highlight:yellow">63.149.103.72</span><span style="font-size:9.0pt">)
, </span>the record route is set to private IP <span style="font-size:9.0pt">(<span style="background:red;mso-highlight:red">172.31.211.31</span>)</span><o:p></o:p></p>
<p class="MsoNormal"> I used listen with advertise of public IP, it did not work. Please find attached the config I am using.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="color:red"> How do I change it send public ip only when talking to external world.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:red"> Can someone point to me clear documentation how to configure Kamailio for NAT traversal.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><b>The following message is sent from Kamailio behind NAT to the public computer.<o:p></o:p></b></p>
<p class="MsoNormal"><span style="font-size:9.0pt">2016-12-27 17:19:24.526875 [blink.exe 5652]: RECEIVED: Packet 123, +0:08:42.690309<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt;background:yellow;mso-highlight:yellow">63.149.103.72</span><span style="font-size:9.0pt">:5061 -(SIP over TLS)-> 10.0.0.6:62912<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">SIP/2.0 200 OK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Via: SIP/2.0/TLS 10.0.0.6:62912;rport=62912;received=50.175.10.190;branch=z9hG4bKPj2e381a96979945bd969989ffe9dca3a9;alias<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Record-Route: <<a href="sip:172.31.211.31:5061;transport=tls;lr;did=5.5e5">sip:<span style="background:red;mso-highlight:red">172.31.211.31</span>:5061;transport=tls;lr;did=5.5e5</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Call-ID: eb8670eec4354acdb69fd26f5625b75c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">From: "cust1" <<a href="sip:cust1@translation.sms-test.cyracom.com">sip:cust1@translation.sms-test.cyracom.com</a>>;tag=2f25d2ae690747c48c874e0b415ca03c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">To: <<a href="sip:spanish@translation.sms-test.cyracom.com">sip:spanish@translation.sms-test.cyracom.com</a>>;tag=1c33ad41f6f44cae8ae8e060f30fe119<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">CSeq: 4665 INVITE<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Server: Blink 3.0.0 (Windows)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Allow: SUBSCRIBE, NOTIFY, PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, MESSAGE, REFER<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Contact: <<a href="sip:75329410@10.0.27.108:61381;transport=tls">sip:75329410@10.0.27.108:61381;transport=tls</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Supported: 100rel, replaces, norefersub, gruu<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Content-Type: application/sdp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Content-Length: 355<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">v=0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">o=- 3691844303 3691844304 IN IP4 10.0.27.108<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">s=Blink 3.0.0 (Windows)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">t=0 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">m=message 2855 TCP/TLS/MSRP *<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">c=IN IP4 10.0.27.108<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">a=path:msrps://10.0.27.108:2855/261d3f47be25612cc77c;tcp<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">a=accept-types:message/cpim text/* image/* application/im-iscomposing+xml<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">a=accept-wrapped-types:text/* image/* application/im-iscomposing+xml<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">a=setup:active<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">--<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt"><o:p> </o:p></span></p>
<p class="MsoNormal"><b>The following is the ACK sent by public computer in reply to the above message. Note this message never reaches the Kamailio server as it is sent to private IP.<o:p></o:p></b></p>
<p class="MsoNormal"><span style="font-size:9.0pt">2016-12-27 17:19:24.526875 [blink.exe 5652]: SENDING: Packet 124, +0:08:42.690309<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">10.0.0.6:62944 -(SIP over TLS)->
<span style="background:red;mso-highlight:red">172.31.211.31</span>:5061<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">ACK <a href="sip:75329410@10.0.27.108:61381;transport=tls">
sip:75329410@10.0.27.108:61381;transport=tls</a> SIP/2.0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Via: SIP/2.0/TLS 10.0.0.6:62944;rport;branch=z9hG4bKPj7df757862e6546beba18a646cb965ba2;alias<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Max-Forwards: 70<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">From: "cust1" <<a href="sip:cust1@translation.sms-test.cyracom.com">sip:cust1@translation.sms-test.cyracom.com</a>>;tag=2f25d2ae690747c48c874e0b415ca03c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">To: <<a href="sip:spanish@translation.sms-test.cyracom.com">sip:spanish@translation.sms-test.cyracom.com</a>>;tag=1c33ad41f6f44cae8ae8e060f30fe119<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Call-ID: eb8670eec4354acdb69fd26f5625b75c<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">CSeq: 4665 ACK<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Route: <<a href="sip:172.31.211.31:5061;transport=tls;lr;did=5.5e5">sip:172.31.211.31:5061;transport=tls;lr;did=5.5e5</a>><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">User-Agent: Blink 3.0.0 (Windows)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:9.0pt">Content-Length: 0<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Thanks,<o:p></o:p></p>
<p class="MsoNormal"><b>Pranathi Venkatayogi<o:p></o:p></b></p>
<p class="MsoNormal"><i>System Developer II<o:p></o:p></i></p>
<p class="MsoNormal">(520) 745-9447 x4466<o:p></o:p></p>
<p class="MsoNormal"><a href="http://www.cyracom.com/"><span style="color:blue">www.cyracom.com</span></a><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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