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Is the firewall a system that you control and can do traces on it?
Can you see rtp coming to it? Is it forwarded?<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<div class="moz-cite-prefix">On 06/01/16 13:40, Daniel W. Graham
wrote:<br>
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<div>Firewall is not doing sip alg, I have compared traces and
they are the same.<br>
<br>
Daniel W. Graham
<div><a moz-do-not-send="true" href="http://cmsinter.net">CMSInter.net</a>
LLC<br>
<div>989.400.4230</div>
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On Jan 6, 2016, at 3:05 AM, Daniel-Constantin Mierla <<a
moz-do-not-send="true" href="mailto:miconda@gmail.com"><a class="moz-txt-link-abbreviated" href="mailto:miconda@gmail.com">miconda@gmail.com</a></a>>
wrote:<br>
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<div>Hello,<br>
<br>
is the firewall doing SIP ALG?<br>
<br>
Can you get a SIP network trace on UA? If yes, compare it with
the one captured on server.<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<div class="moz-cite-prefix">On 06/01/16 01:50, Daniel W.
Graham wrote:<br>
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<p class="MsoNormal">Setup is -<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">2 port ATA <> FIREWALL <>
KAMAILIO / RTPPROXY <> ASTERISK<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I have a single port in use behind
the firewall, all NAT functions work properly and media
is relayed through rtpproxy.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I have both ports in use behind
the firewall, when outbound calls from UA are placed
there is two way audio on both calls. However if inbound
calls are placed to UA, the first call works, second
call only has outbound audio.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Different SIP URI is used for each
port.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If the firewall is eliminated
everything works fine.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Anyone have an idea how to
troubleshoot or what could be missing? I have done
packet captures on both the UA side and Kamailio side,
and I see two RTP flows (rtp ports match on both sides
as well) despite lack of inbound audio on the second
call.<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">If I can post anything config wise
that would help let me know.<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"><o:p> </o:p></p>
<p class="MsoNormal">-Dan<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<pre wrap="">_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a>
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<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://twitter.com/#%21/miconda">http://twitter.com/#!/miconda</a> - <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a>
Book: SIP Routing With Kamailio - <a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://miconda.eu">http://miconda.eu</a></pre>
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<div><span>_______________________________________________</span><br>
<span>SIP Express Router (SER) and Kamailio (OpenSER) -
sr-users mailing list</span><br>
<span><a moz-do-not-send="true"
href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a></span><br>
<span><a moz-do-not-send="true"
href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a></span><br>
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<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla
<a class="moz-txt-link-freetext" href="http://twitter.com/#!/miconda">http://twitter.com/#!/miconda</a> - <a class="moz-txt-link-freetext" href="http://www.linkedin.com/in/miconda">http://www.linkedin.com/in/miconda</a>
Book: SIP Routing With Kamailio - <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
<a class="moz-txt-link-freetext" href="http://miconda.eu">http://miconda.eu</a></pre>
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