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    <p><tt>On a side note, the good news is that you can easily bypass
        this bug within the event_route: simply ignore any negative
        "concurrent calls" reports! Hopefully, it won't take long until
        we get to the bottom of it, and provide the official fix.<br>
      </tt></p>
    <p><br>
    </p>
    <p><tt>Cheers,</tt><br>
    </p>
    <pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
    <div class="moz-cite-prefix">On 13.06.2018 14:04, Liviu Chircu
      wrote:<br>
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      <p><tt>Hi, Guillaume!</tt></p>
      <p><tt><br>
        </tt></p>
      <p><tt>That definitely looks like a bug. Most likely, we are
          either talking about a locking issue, causing too few
          increments, or a dialog callback issue, causing too many
          decrements. Marking this as a bug -- I will try to find some
          time and review the concerned code asap. <br>
        </tt></p>
      <p><tt><br>
        </tt></p>
      <p><tt>Best regards,</tt><br>
      </p>
      <pre class="moz-signature" cols="72">Liviu Chircu
OpenSIPS Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com" moz-do-not-send="true">http://www.opensips-solutions.com</a></pre>
      <div class="moz-cite-prefix">On 13.06.2018 12:24, Guillaume
        Montassier wrote:<br>
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cite="mid:DB6PR1001MB1224EBCE399A81AF1C60E7F2AD7E0@DB6PR1001MB1224.EURPRD10.PROD.OUTLOOK.COM">
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          <p style="margin-top:0;margin-bottom:0">Hi list,</p>
          <p style="margin-top:0;margin-bottom:0"><br>
          </p>
          <p style="margin-top:0;margin-bottom:0">I have a strange
            behavior possibly a bug with opensips fraud module.</p>
          <p style="margin-top:0;margin-bottom:0"><br>
          </p>
          <p style="margin-top:0;margin-bottom:0">Sometime an call is
            block because of a critical <span>threshold</span> on <span>concurrent
              calls. The vast majority of the time it work really well.
              But sometime, when I raise <span>E_FRD_CRITICAL and check <span>$var(val);$var(thr)
                  I got something like this  <span>-1;31. Meaning that
                    on a maximum of 31 calls the user is on -1.</span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span><br>
                  </span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span>I
                    don't get where that -1 came from and why it raise a
                    critical alert. Also, that -1 appears uniquely on
                    that concurrent calls parameters, all the others
                    parameters work fine.</span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span><br>
                  </span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span>Any
                    idea? or tips for debugging?</span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span><br>
                  </span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span><br>
                  </span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span>Thanks,</span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span><br>
                  </span></span></span></span></p>
          <p style="margin-top:0;margin-bottom:0"><span><span><span><span>Guillaume
                    MONTASSIER</span></span></span></span></p>
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