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    <tt>Hi,<br>
      <br>
      the fix was done, thanks to Vlad, and included in the 1.8.2
      release - please update your 1.8 checkout and test again.<br>
      <br>
      Best regards,<br>
    </tt>
    <pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
    <br>
    On 11/01/2012 03:28 PM, Bogdan-Andrei Iancu wrote:
    <blockquote cite="mid:509278F1.1030902@opensips.org" type="cite">
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      <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 class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
      <br>
      On 10/31/2012 04:59 PM, Pierre-Yves Marche wrote:
      <blockquote
cite="mid:CAEfsTyTUPQjWD_aeP1h4+WGtsHOLSp6ggeCP=XVRU=DAS-8XVQ@mail.gmail.com"
        type="cite">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>
        &nbsp; - using dialog "topology hidding" feature.<br>
        &nbsp; - using 2 @IPs (one to reach customers, one to reach SIP
        Platform) (mhomed=yes)<br>
        <br>
        <br>
        Customer1/2 &lt;---&gt;Opensips (topology hidding)&nbsp;&nbsp;
        &lt;----&gt; 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 &lt;--&gt;opensips &lt;---&gt;SIP Platform
        &lt;--&gt;opensips&nbsp; &lt;--&gt;Customer2 <br>
        <br>
        <br>
        INVITE/180/200 sequence is working well.<br>
        <br>
        But the ACK of the 200 OK is looping between Customer2
        --&gt;Opensips --&gt;SIP Plateform --&gt;<b>Opensips --&gt;SIP
          Platform---&gt;Opensips</b>... instead of doing directly <br>
        Customer2---&gt;Opensips ---&gt;SIP Plateform --&gt;Opensips
        --&gt;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>
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