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    Flor clarification, matching of location records is depending on
    configuration parameter:<br>
    -
<a class="moz-txt-link-freetext" href="http://kamailio.org/docs/modules/stable/modules/usrloc.html#matching-mode">http://kamailio.org/docs/modules/stable/modules/usrloc.html#matching-mode</a><br>
    <br>
    Besides that, if there is gruu/outbound enabled and the ua supports
    it, instance parameter (+reg_id) is used in matching.<br>
    <br>
    Cheers,<br>
    Daniel<br>
    <br>
    <div class="moz-cite-prefix">On 5/31/13 10:04 AM, Alex Balashov
      wrote:<br>
    </div>
    <blockquote
      cite="mid:e08aa48c-ca7b-4294-8001-d7d8d2ae556f@email.android.com"
      type="cite">This would be a distinct REGISTER request, so it
      should not have the same CSeq or Call-ID as any other from that
      UAC recently. <br>
      <br>
      So, provided I understood your question correctly, it's a moot
      point. <br>
      <br>
      <br>
      <div class="gmail_quote">Khoa Pham <a class="moz-txt-link-rfc2396E" href="mailto:onmyway133@gmail.com"><onmyway133@gmail.com></a>
        wrote:
        <blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
          0.8ex; border-left: 1px solid rgb(204, 204, 204);
          padding-left: 1ex;">
          <div dir="ltr">Hi,
            <div><br>
            </div>
            <div>When I want to unregister, I have 2 ways</div>
            <div style="style">1. Append ;expires=0 in Contact field</div>
            <div style="style">2. Add another Expires : 0 header</div>
            <div style="style"><br>
            </div>
            <div style="style">with CSeq, Call-ID not the same with when
              i register</div>
            <div style="style"><br>
            </div>
            <div style="style">Does Kamailio check for the saem Cseq,
              Call-ID to allow unregistration ?</div>
            <div>
              <div><br>
              </div>
              -- <br>
              <div dir="ltr"><span style="color:rgb(0,0,0)">Khoa Pham</span>
                <div>HCMC University of Science<br
                    style="color:rgb(0,0,0)">
                  <span style="color:rgb(0,0,0)"><a
                      moz-do-not-send="true"
                      href="http://www.fantageek.com" target="_blank">www.fantageek.com</a></span><br>
                </div>
              </div>
            </div>
          </div>
          <pre style="white-space: pre-wrap; word-wrap:break-word; font-family: sans-serif; margin-top: 0px"><hr>
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>
<a moz-do-not-send="true" href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a>
</pre>
        </blockquote>
      </div>
      <br>
      --<br>
      Sent from my mobile, and thus lacking in the refinement one might
      expect from a fully fledged keyboard. <br>
      <br>
      Alex Balashov - Principal<br>
      Evariste Systems LLC<br>
      235 E Ponce de Leon Ave<br>
      Suite 106<br>
      Decatur, GA 30030<br>
      United States<br>
      Tel: +1-678-954-0670<br>
      Web: <a moz-do-not-send="true" href="http://www.evaristesys.com">http://www.evaristesys.com</a>/,
      <a moz-do-not-send="true" href="http://www.alexbalashov.com">http://www.alexbalashov.com</a>
      <br>
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      <br>
      <pre wrap="">_______________________________________________
SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a>
<a class="moz-txt-link-freetext" href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a>
</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, San Francisco, USA - June 24-27, 2013
  * <a class="moz-txt-link-freetext" href="http://asipto.com/u/katu">http://asipto.com/u/katu</a> *</pre>
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