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Hello,<br>
<br>
try with global parameter:<br>
<br>
<meta http-equiv="content-type" content="text/html;
charset=ISO-8859-1">
syn_branch=0<br>
<br>
An end-to-end ACK is a separate transaction, as it can go directly
from caller to callee or skip some hops from the INVITE path (if no
record routing is used). So branch in Via should not be used to
match the dialog, but call-id, from-tag and to-tag. It would be also
good ask the vendor to support properly sip rfc, other sip UAs may
not have this configuration option.<br>
<br>
Cheers,<br>
Daniel<br>
<br>
<div class="moz-cite-prefix">On 11/9/12 2:49 PM, Alex Solt wrote:<br>
</div>
<blockquote cite="mid:COL104-W2211D3AC29FBDCB9C811FB84680@phx.gbl"
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<p class="MsoNormal">Hi,</p>
<p class="MsoNormal"><br>
</p>
<p class="MsoNormal">We have a problem with the "branch" tag in
the "Via" header of the ACK
message for the re-INVITE. The "branch" tag value is not a
unique number so the end point thinks the ACK is belong to the
previous call. This causes the active calls fail after 15 min
(right after the ACK message for re-INVITE passed by kamailio
proxy). <br>
</p>
<p class="MsoNormal"><br>
</p>
<p class="MsoNormal">Is there a way to set the "branch" tag in
the "Via" header of the ACK
message for the re-INVITE to be a unique number?</p>
<p class="MsoNormal"><br>
</p>
<p class="MsoNormal">PS1: We are running kamailio v3.3.</p>
<p class="MsoNormal">PS2: we did not have this issue with the
old version of openser.<br>
</p>
<p class="MsoNormal"><br>
</p>
<p class="MsoNormal">Thanks,</p>
<p class="MsoNormal">AS<br>
</p>
<br>
<br>
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<pre wrap="">_______________________________________________
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</pre>
</blockquote>
<br>
<pre class="moz-signature" cols="72">--
Daniel-Constantin Mierla - <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
<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>
Kamailio Advanced Training, Berlin, Nov 5-8, 2012 - <a class="moz-txt-link-freetext" href="http://asipto.com/u/kat">http://asipto.com/u/kat</a>
Kamailio Advanced Training, Miami, USA, Nov 12-14, 2012 - <a class="moz-txt-link-freetext" href="http://asipto.com/u/katu">http://asipto.com/u/katu</a></pre>
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