<div>Bogdan, </div>I have seen this happen before also, glad <br clear="all">Thanks in advance,<br>--Rudy<br>Dynamic Packet<br>Toll-Free: 888.929.VOIP ( 8647 )<br>
<br><br><div class="gmail_quote">On Thu, Nov 1, 2012 at 9:28 AM, Bogdan-Andrei Iancu <span dir="ltr"><<a href="mailto:bogdan@opensips.org" target="_blank">bogdan@opensips.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<u></u>
<div bgcolor="#ffffff" text="#000000">
<tt>Hi Pierre-Yves,<br>
<br>
Thanks for the detailed report - indeed, it seems to be a problem
with the dialog matching (for sequential request) when having
topology hiding in combination with spiraling (as your call goes
twice through opensips with topo hiding).<br>
We will work on a patch as fast as possible (the fix was
identified).<br>
<br>
Regards,<br>
</tt>
<pre cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre><div><div class="h5">
<br>
On 10/31/2012 04:59 PM, Pierre-Yves Marche wrote:
</div></div><blockquote type="cite"><div><div class="h5">Hello,<br>
<br>
I'm facing an issue of ACK Looping using opensips.<br>
<br>
the configuration is the following : <br>
- Opensips v1.8.1 (same problem with 1.7.2).<br>
- using dialog "topology hidding" feature.<br>
- using 2 @IPs (one to reach customers, one to reach SIP
Platform) (mhomed=yes)<br>
<br>
<br>
Customer1/2 <--->Opensips (topology hidding) <---->
SIP Platform<br>
<br>
The call flow is the following: Customer1 call Customer2, both are
connected on the same Opensips <br>
(when Customer1 and Customer2 are located on different opensips,
no problems)<br>
Customer1 <-->opensips <--->SIP Platform
<-->opensips <-->Customer2 <br>
<br>
<br>
INVITE/180/200 sequence is working well.<br>
<br>
But the ACK of the 200 OK is looping between Customer2
-->Opensips -->SIP Plateform --><b>Opensips -->SIP
Platform--->Opensips</b>... instead of doing directly <br>
Customer2--->Opensips --->SIP Plateform -->Opensips
-->Customer1<br>
<br>
<br>
Attached, a network capture taken on opensips server.<br>
<br>
<br>
I had a look at "dlg_list", 2 dialogs are created for this call.
Might be a problem with did matching ? I tested with <br>
modparam("dialog", "dlg_match_mode", 0) and<br>
modparam("dialog", "dlg_match_mode", 2)<br>
<br>
<br>
Could someone help me fixing the issue ? Do you have some hints of
the root cause of issue ?<br>
<br>
<br>
Regards,<br>
Pierre-Yves<br>
</div></div><pre><fieldset></fieldset>
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