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    <div class="moz-cite-prefix">Does this help?<br>
      <br>
      4XX<br>
      <br>
      2016/10/11 14:02:44.810905 192.168.36.141:5060 -&gt;
      192.168.36.68:5060<br>
      SIP/2.0 487 Request Terminated<br>
      Via: SIP/2.0/UDP
192.168.36.68:5060;received=192.168.36.68;rport=5060;branch=z9hG4bK789668db<br>
      From: <a class="moz-txt-link-rfc2396E" href="sip:01382843843@192.168.36.68">&lt;sip:01382843843@192.168.36.68&gt;</a>;tag=as04ad0c35<br>
      To: <a class="moz-txt-link-rfc2396E" href="sip:01382250630@192.168.36.141">&lt;sip:01382250630@192.168.36.141&gt;</a>;tag=as3154cbe9<br>
      Call-ID: <a class="moz-txt-link-abbreviated" href="mailto:7f643eb34e5355e54575f8ec391740d3@192.168.36.68:5060">7f643eb34e5355e54575f8ec391740d3@192.168.36.68:5060</a><br>
      CSeq: 103 INVITE<br>
      Server: FPBX-12.0.76.4(11.5.1)<br>
      Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE,
      NOTIFY, INFO, PUBLISH<br>
      Supported: replaces, timer<br>
      Content-Length: 0<br>
      <br>
      <br>
      ACK<br>
      <br>
      2016/10/11 14:02:44.811879 192.168.36.68:5060 -&gt;
      192.168.36.141:5060<br>
      ACK <a class="moz-txt-link-freetext" href="sip:441382250630@141.170.9.156:5060;did=a8f.46c3a1f1">sip:441382250630@141.170.9.156:5060;did=a8f.46c3a1f1</a> SIP/2.0<br>
      Via: SIP/2.0/UDP 192.168.36.68:5060;branch=z9hG4bK789668db;rport<br>
      Max-Forwards: 70<br>
      From: <a class="moz-txt-link-rfc2396E" href="sip:01382843843@192.168.36.68">&lt;sip:01382843843@192.168.36.68&gt;</a>;tag=as04ad0c35<br>
      To: <a class="moz-txt-link-rfc2396E" href="sip:01382250630@192.168.36.141">&lt;sip:01382250630@192.168.36.141&gt;</a>;tag=as3154cbe9<br>
      Contact: <a class="moz-txt-link-rfc2396E" href="sip:01382843843@192.168.36.68:5060">&lt;sip:01382843843@192.168.36.68:5060&gt;</a><br>
      Call-ID: <a class="moz-txt-link-abbreviated" href="mailto:7f643eb34e5355e54575f8ec391740d3@192.168.36.68:5060">7f643eb34e5355e54575f8ec391740d3@192.168.36.68:5060</a><br>
      CSeq: 103 ACK<br>
      User-Agent: FPBX-12.0.76.4(11.5.1)<br>
      Content-Length: 0<br>
      <br>
      <br>
      Regards,<br>
      <br>
      Richard<br>
      <br>
      <br>
      On 10/10/2016 17:52, Newlin, Ben wrote:<br>
    </div>
    <blockquote cite="mid:C5A90087-254A-4A1F-82A6-2254C0EC83F9@inin.com"
      type="cite">
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      <div class="WordSection1">
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:Calibri">It’s impossible
            to say whether the ACK or the 4XX response are formatted
            properly from just seeing the ACK. The entire transaction is
            necessary.<o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
        <div>
          <div>
            <p class="MsoNormal"><span
                style="font-size:10.5pt;font-family:Calibri;color:black"><o:p> </o:p></span></p>
          </div>
        </div>
        <p class="MsoNormal"><span
            style="font-size:10.5pt;font-family:Calibri;color:black">Ben
            Newlin</span><span
            style="font-size:11.0pt;font-family:Calibri"><o:p></o:p></span></p>
        <p class="MsoNormal"><span
            style="font-size:11.0pt;font-family:Calibri"><o:p> </o:p></span></p>
        <div style="border:none;border-top:solid #B5C4DF
          1.0pt;padding:3.0pt 0in 0in 0in">
          <p class="MsoNormal"><b><span
                style="font-family:Calibri;color:black">From: </span>
            </b><span style="font-family:Calibri;color:black"><a class="moz-txt-link-rfc2396E" href="mailto:users-bounces@lists.opensips.org">&lt;users-bounces@lists.opensips.org&gt;</a>
              on behalf of Richard Robson
              <a class="moz-txt-link-rfc2396E" href="mailto:rrobson@greenlightcrm.com">&lt;rrobson@greenlightcrm.com&gt;</a><br>
              <b>Organization: </b>Greenlight Innovation<br>
              <b>Reply-To: </b>OpenSIPS users mailling list
              <a class="moz-txt-link-rfc2396E" href="mailto:users@lists.opensips.org">&lt;users@lists.opensips.org&gt;</a><br>
              <b>Date: </b>Monday, October 10, 2016 at 12:33 PM<br>
              <b>To: </b>OpenSIPS users mailling list
              <a class="moz-txt-link-rfc2396E" href="mailto:users@lists.opensips.org">&lt;users@lists.opensips.org&gt;</a><br>
              <b>Subject: </b>Re: [OpenSIPS-Users] multiple
              retransmissions on 4XX after ACK<o:p></o:p></span></p>
        </div>
        <div>
          <p class="MsoNormal"><o:p> </o:p></p>
        </div>
        <div>
          <p class="MsoNormal">Hi All<br>
            <br>
            I've made tha call from an internal machine and opensips
            still appears to ignore the ACKs<br>
            <br>
            The ACK looks to be OK<br>
            <br>
            2016/10/10 17:28:20.183387 192.168.36.92:5060 -&gt;
            192.168.36.141:5060<br>
            ACK <a moz-do-not-send="true"
              href="sip:01382250631@192.168.36.141">sip:01382250631@192.168.36.141</a>
            SIP/2.0<br>
            Via: SIP/2.0/UDP
            192.168.36.92:5060;branch=z9hG4bK665e6330;rport<br>
            Max-Forwards: 70<br>
            From: <a moz-do-not-send="true"
              href="sip:01382250029@192.168.36.92">&lt;sip:01382250029@192.168.36.92&gt;</a>;tag=as27a256cc<br>
            To: <a moz-do-not-send="true"
              href="sip:01382250631@192.168.36.141">&lt;sip:01382250631@192.168.36.141&gt;</a>;tag=gK0ca8d98e<br>
            Contact: <a moz-do-not-send="true"
              href="sip:01382250029@192.168.36.92:5060">&lt;sip:01382250029@192.168.36.92:5060&gt;</a><br>
            Call-ID: <a moz-do-not-send="true"
              href="mailto:259bb5f7748fc7fe68eaf1c95a70f5ec@192.168.36.92:5060">259bb5f7748fc7fe68eaf1c95a70f5ec@192.168.36.92:5060</a><br>
            CSeq: 103 ACK<br>
            User-Agent: FPBX-12.0.76.2(11.7.0)<br>
            Content-Length: 0<br>
            <br>
            this is from an asterisk box in response to a 404 from the
            Opensips Box.<br>
            Opensips sends several 404s and there are ACKs to the fist
            four and it still sends subsequebt ones<br>
            Regards<br>
            <br>
            Richard<br>
            <br>
            On 07/10/2016 19:46, Richard Robson wrote:<o:p></o:p></p>
        </div>
        <blockquote style="margin-top:5.0pt;margin-bottom:5.0pt">
          <p>The ack is from the cp. opensips is sending the 4xx.<br>
            I'll try the same on another provider. Thanks for the info<o:p></o:p></p>
          <div>
            <p class="MsoNormal"><o:p> </o:p></p>
            <div>
              <p class="MsoNormal">On 7 Oct 2016 18:27, "Newlin, Ben"
                &lt;<a moz-do-not-send="true"
                  href="mailto:Ben.Newlin@inin.com">Ben.Newlin@inin.com</a>&gt;
                wrote:<o:p></o:p></p>
              <blockquote style="border:none;border-left:solid #CCCCCC
                1.0pt;padding:0in 0in 0in
                6.0pt;margin-left:4.8pt;margin-right:0in">
                <div>
                  <div>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri">The
                        most likely cause is that there is something
                        wrong in the format of the ACK which is causing
                        the far end to not recognize it as being the ACK
                        for that 4XX response. So the far end will
                        continue to retransmit the 4XX response. On the
                        OpenSIPS side, these are recognized as
                        retransmissions so the previous response is
                        resent without triggering the failure route.</span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri"> </span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri">The
                        reason it happens on 4XX but not on 200 OK is
                        that ACKs within a dialog – for 200 OK responses
                        to INVITE or BYE – are actually requests
                        themselves and are sent end-to-end just like
                        INVITEs and BYEs. These ACKs are constructed
                        following the rules for any request within a
                        dialog [1].</span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri"> </span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri">ACKs
                        to failure responses, however, are transmitted
                        at the transaction layer which means in this
                        case they are being generated by OpenSIPS
                        directly. Transactional ACKs are not requests
                        and the rules for constructing them are
                        different [2]. The most important parts are that
                        the Via and Request-URI headers must match those
                        in the initial request exactly.</span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri"> </span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri">I
                        have encountered this problem several times when
                        my manipulations of messages in the routing
                        script cause the ACKs to be malformed. I would
                        suggest capturing a SIP trace of the failing
                        transaction and verify the ACK is constructed
                        properly.</span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri"> </span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri">[1]
                        <a moz-do-not-send="true"
                          href="https://tools.ietf.org/html/rfc3261#section-12.2.1.1"
                          target="_blank">https://tools.ietf.org/html/rfc3261#section-12.2.1.1</a></span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri">[2]
                        <a moz-do-not-send="true"
                          href="https://tools.ietf.org/html/rfc3261#section-17.1.1.3"
                          target="_blank">https://tools.ietf.org/html/rfc3261#section-17.1.1.3</a></span><o:p></o:p></p>
                    <div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.5pt;font-family:Calibri;color:black"> </span><o:p></o:p></p>
                      </div>
                    </div>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:10.5pt;font-family:Calibri;color:black">Ben Newlin</span><o:p></o:p></p>
                    <p class="MsoNormal"
                      style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
                        style="font-size:11.0pt;font-family:Calibri"> </span><o:p></o:p></p>
                    <div style="border:none;border-top:solid #B5C4DF
                      1.0pt;padding:3.0pt 0in 0in 0in">
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span
                            style="font-family:Calibri;color:black">From:
                          </span></b><span
                          style="font-family:Calibri;color:black">&lt;<a
                            moz-do-not-send="true"
                            href="mailto:users-bounces@lists.opensips.org"
                            target="_blank">users-bounces@lists.opensips.org</a>&gt;
                          on behalf of Richard Robson &lt;<a
                            moz-do-not-send="true"
                            href="mailto:rrobson@greenlightcrm.com"
                            target="_blank">rrobson@greenlightcrm.com</a>&gt;<br>
                          <b>Organization: </b>Greenlight Innovation<br>
                          <b>Reply-To: </b>OpenSIPS users mailling list
                          &lt;<a moz-do-not-send="true"
                            href="mailto:users@lists.opensips.org"
                            target="_blank">users@lists.opensips.org</a>&gt;<br>
                          <b>Date: </b>Friday, October 7, 2016 at 12:46
                          PM<br>
                          <b>To: </b>OpenSIPS users mailling list &lt;<a
                            moz-do-not-send="true"
                            href="mailto:users@lists.opensips.org"
                            target="_blank">users@lists.opensips.org</a>&gt;<br>
                          <b>Subject: </b>[OpenSIPS-Users] multiple
                          retransmissions on 4XX after ACK</span><o:p></o:p></p>
                    </div>
                    <div>
                      <p class="MsoNormal"
                        style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
                    </div>
                    <div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">Hi Guys,</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">Not sure if
                            this a problem or normal behaviour or I'm
                            doing something wrong.</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">after a 4XX is
                            sent and the ACK recieved I can see 3
                            retransmissions of
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">the 4XX
                            message all with corresponding ACKs.
                            Whywould it re transmit
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">after an ACK</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">in the logs in
                            the reply route I only see one. Is there
                            something I
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">should be
                            doing or is this normal behaviour. It doesnt
                            do it with BYEs</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">We are testing
                            with BT next wee and I'd like everything to
                            be shipshape</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">this is from
                            the carrier to opensips</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│INVITE sip:<a
                              moz-do-not-send="true"
                              href="mailto:441618501059@gl-sip-03.greenlightcrm.com"
                              target="_blank">441618501059@gl-sip-03.greenlightcrm.com</a>
                            SIP/2.</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">              PSTN
                            CARRIER                       OPENSIPS    </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│Record-Route:
                            &lt;<a moz-do-not-send="true"
                              href="sip:109.239.96.133;lr;ftag=">sip:109.239.96.133;lr;ftag=</a>0UUHS0000030000E</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">          
                            ──────────┬─────────
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">──────────┬─────────│01001u1J9XWPK0DDUY6X;did=e7f.7bf9fe87&gt;</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">                    
                            │        INVITE (SDP) │         │Via:
                            SIP/2.0/UDP
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">109.239.96.133:5060;branch=z9hG4bK547c.48</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:38.425641   │
                            ──────────────────────────&gt; │        
                            │a4d4.0</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.004634   │      100 Giving a try
                            │         │Via: SIP/2.0/UDP
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">194.145.191.131:5060;branch=z9hG4bK00E0F5</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:38.430275   │
                            &lt;────────────────────────── │        
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│0E45333EAEE2FDC3E18D</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.105251   │         180 Ringing │        
                            │From:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">&lt;sip:<a
                              moz-do-not-send="true"
                              href="mailto:01382250029@194.145.191.131"
                              target="_blank">01382250029@194.145.191.131</a>&gt;;tag=0UUHS000003000</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:38.535526   │
                            &lt;────────────────────────── │        
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│1D01001u1J9XWPK0DDUY6X</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.128720   │         180 Ringing │        
                            │To:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">&lt;sip:<a
                              moz-do-not-send="true"
                              href="mailto:441618501059@109.239.96.133"
                              target="_blank">441618501059@109.239.96.133</a>&gt;</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:38.664246   │
                            &lt;&lt;&lt;────────────────────────
                            │         │Call-ID:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">4515e0000ef5-57f7d085-4d7d4603-f256d18-48e7f14@12</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        +10.118555  
                            │     408 Request Timeout │         │0.0.1</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:48.782801   │
                            &lt;────────────────────────── │        
                            │CSeq:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">33717 INVITE</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.000610   │             ACK │        
                            │Contact:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">&lt;sip:<a
                              moz-do-not-send="true"
                              href="http://194.145.191.131:5060"
                              target="_blank">194.145.191.131:5060</a>&gt;</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:48.783411   │
                            ──────────────────────────&gt; │        
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│Allow-Events:
                            refer</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.436750   │     408 Request Timeout
                            │         │Allow: INVITE,
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">ACK, BYE,
                            CANCEL, OPTIONS, PRACK, INFO, REF</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:49.220161   │
                            &lt;&lt;&lt;────────────────────────
                            │         │, NOTIFY,
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">SUBSCRIBE,
                            UPDATE</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.000636   │             ACK │        
                            │Content-Type:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">application/sdp</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:49.220797   │
                            ────────────────────────&gt;&gt;&gt;
                            │        
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│Max-Forwards:
                            69</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +1.003961   │     408 Request Timeout
                            │         │Supported:
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">timer,
                            replaces, histinfo, 100rel</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:50.224758   │
                            &lt;&lt;&lt;────────────────────────
                            │        
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">│User-Agent:
                            TELES-SBC</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.000705   │             ACK │        
                            │Content-Length:   463</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:50.225463   │
                            ────────────────────────&gt;&gt;&gt;
                            │         │</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +2.005938   │     408 Request Timeout
                            │         │v=0</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:52.231401   │
                            &lt;&lt;&lt;────────────────────────
                            │         │o=-
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">1890151066 0
                            IN IP4 194.145.191.134</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">        
                            +0.000651   │             ACK │        
                            │s=TELES-SBC</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">  
                            17:42:52.232052   │
                            ────────────────────────&gt;&gt;&gt;
                            │         │c=IN IP4
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">194.145.191.134</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">                    
                            │ │         │t=0 0</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">                                                            
                            │</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">Regards,</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">--
                          </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">Richard Robson</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">Greenlight
                            Support</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">01382 843843</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"><a
                              moz-do-not-send="true"
                              href="mailto:support@greenlightcrm.com"
                              target="_blank">support@greenlightcrm.com</a></span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">_______________________________________________</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black">Users mailing
                            list</span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"><a
                              moz-do-not-send="true"
                              href="mailto:Users@lists.opensips.org"
                              target="_blank">Users@lists.opensips.org</a></span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"><a
                              moz-do-not-send="true"
                              href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
                              target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a></span><o:p></o:p></p>
                      </div>
                      <div>
                        <p class="MsoNormal"
                          style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span
style="font-size:11.0pt;font-family:Consolas;color:black"> </span><o:p></o:p></p>
                      </div>
                    </div>
                  </div>
                </div>
                <p class="MsoNormal" style="margin-bottom:12.0pt"><br>
                  _______________________________________________<br>
                  Users mailing list<br>
                  <a moz-do-not-send="true"
                    href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a><br>
                  <a moz-do-not-send="true"
                    href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
                    target="_blank">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a><o:p></o:p></p>
              </blockquote>
            </div>
          </div>
        </blockquote>
        <p class="MsoNormal"><o:p> </o:p></p>
        <p><o:p> </o:p></p>
        <pre>-- <o:p></o:p></pre>
        <pre>Richard Robson<o:p></o:p></pre>
        <pre>Greenlight Support<o:p></o:p></pre>
        <pre>01382 843843<o:p></o:p></pre>
        <pre><a moz-do-not-send="true" href="mailto:support@greenlightcrm.com">support@greenlightcrm.com</a><o:p></o:p></pre>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_______________________________________________
Users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:Users@lists.opensips.org">Users@lists.opensips.org</a>
<a class="moz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users">http://lists.opensips.org/cgi-bin/mailman/listinfo/users</a>
</pre>
    </blockquote>
    <br>
    <p><br>
    </p>
    <pre class="moz-signature" cols="72">-- 
Richard Robson
Greenlight Support
01382 843843
<a class="moz-txt-link-abbreviated" href="mailto:support@greenlightcrm.com">support@greenlightcrm.com</a></pre>
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