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<body class='hmmessage'><div dir='ltr'>Issue opened on github, thanks Bogdan.<div><br></div><div>#943.</div><div><br></div><div>Jon<br><br><div><hr id="stopSpelling">Subject: Re: [OpenSIPS-Users] t_replicate and dispatcher module to forward REGISTER messages<br>To: users@lists.opensips.org; hunterj91@hotmail.com<br>From: bogdan@opensips.org<br>Date: Sun, 7 Aug 2016 20:39:59 +0300<br><br>
<tt>Hi Jonathan,<br>
<br>
Unfortunately this is a design problem - the t_replicate() is
actually a t_reply() but without passing the received replies back
to the caller. So t_replicate() behaves on parallel forking
exactly as t_reply().<br>
<br>
Some additional work may be required to change this and have
t_replicate() properly replicating to all destination. Could you
please open a ticket on github about this ?<br>
<br>
Thanks and Regards,<br>
</tt>
<pre class="ecxmoz-signature">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="ecxmoz-txt-link-freetext" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre>
<div class="ecxmoz-cite-prefix">On 03.08.2016 19:15, Jonathan Hunter
wrote:<br>
</div>
<blockquote cite="mid:DUB112-W594BDBF6F3D87BC9D8D940BD060@phx.gbl">
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<div><span style="font-size:12pt;">Hi Guys,</span></div>
<div><br>
</div>
<div>We have an old platform we are looking to redesign but in
the meantime we need to fix a problem we have.</div>
<div><br>
</div>
<div>Currently we have an opensips proxy/registrar with 2 x
Asterisk boxes behind it.</div>
<div><br>
</div>
<div>Now currently we use t_replicate and the dispatcher module
(ds_next_domain()) to send REGISTER requests in parallel to
both Asterisk Servers so they can update their sip peers.</div>
<div><br>
</div>
<div>This works great but we sometimes (an issue we are
investigating) dont always get a 200ok response back from one
or both Asterisk servers for the REGISTER message.</div>
<div><br>
</div>
<div>Therefore I am looking to resend the REGISTER whenever this
may happen.</div>
<div><br>
</div>
<div>This is fine using the fr timers should both Asterisk
Servers not respond, however if only 1 Server doesnt respond,
and the other does, this problem is lost, due to the parallel
forking being applied to the t_replicate scenario.</div>
<div><br>
</div>
<div>I can capture 200 ok messages in onreply routes to confirm
which Asterisk servers have responded, however I cannot
t_relay again from this type of route.</div>
<div><br>
</div>
<div>Is there another way to do this? Whereby I can remain
transaction stateful, and resend a REGISTER message if only
one of the Asterisk Servers doesnt respond to a REGISTER
message?</div>
<div><br>
</div>
<div>Thanks</div>
<div><br>
</div>
<div>Jon</div>
</div>
<br>
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</pre>
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