<p>Got some time for it ... according to the logs the route set is seen empty by the dialog module (you can search for route_set in the logs).</p>
<p>I need more data to troubleshoot:</p>
<ul>
<li>grab the pcap with sip packets for such a call</li>
<li>add following in your config before doing  the test.</li>
</ul>
<p>At the top of request_route block add:</p>
<pre><code>xlog("received request from $si with content [[$mb]]\n");
</code></pre>
<p>At the top of reply_route (add it if you don't have it):</p>
<pre><code>xlog("received reply from $si with content [[$mb]]\n");
</code></pre>
<p>Also add the global parameter:</p>
<pre><code>log_prefix="{$mt $hdr(CSeq) $ci} "
</code></pre>
<p>Put the pcap file and the logs file in a tarball or zip and send it to me.</p>

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