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    To add: if you use rr module with append from tag enabled, then acc
    module can detect the direction of BYE and change From/To tag when
    writing the record to database to match the values for INVITE --
    look at the parameters for rr and acc modules.<br>
    <br>
    Cheers,<br>
    Daniel<br>
    <br>
    <div class="moz-cite-prefix">On 20/12/15 11:42, Gholamreza Sabery
      wrote:<br>
    </div>
    <blockquote
cite="mid:CAJx6kgUYLMrvpsRvPgT=qrv0vqDiON_FOyz+7z39C+fxsCMTKw@mail.gmail.com"
      type="cite">
      <div dir="ltr">Alright. Thank you. ;)<br>
      </div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Sun, Dec 20, 2015 at 2:11 PM, Dmitri
          Savolainen <span dir="ltr"><<a moz-do-not-send="true"
              href="mailto:savolainen@erinaco.ru" target="_blank">savolainen@erinaco.ru</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div dir="ltr">BYE is the request (not response message)</div>
            <div class="HOEnZb">
              <div class="h5">
                <div class="gmail_extra"><br>
                  <div class="gmail_quote">2015-12-20 13:32 GMT+03:00
                    Gholamreza Sabery <span dir="ltr"><<a
                        moz-do-not-send="true"
                        href="mailto:gr.sabery@gmail.com"
                        target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:gr.sabery@gmail.com">gr.sabery@gmail.com</a></a>></span>:<br>
                    <blockquote class="gmail_quote" style="margin:0 0 0
                      .8ex;border-left:1px #ccc solid;padding-left:1ex">
                      <div dir="ltr">
                        <div>Thank you <span name="Dmitri Savolainen">Dmitri.
                            But It seems that it should not work this
                            way. Here: <a moz-do-not-send="true"
href="https://supportforums.cisco.com/document/113271/understanding-sip-traces"
                              target="_blank">https://supportforums.cisco.com/document/113271/understanding-sip-traces</a>
                            it is written : </span><br>
                          <span
style="color:rgb(51,51,51);font-family:calibri,verdana,arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none;background-color:rgb(255,255,255)">Note
                            that the To and From header fields are not
                            reversed in the response message as one
                            might expect them to be. This is because the
                            To and From header fields in SIP are defined
                            to indicate the direction of the request,
                            not the direction of the message.<br>
                            <br>
                          </span></div>
                        <span
style="color:rgb(51,51,51);font-family:calibri,verdana,arial,sans-serif;font-size:16px;font-style:normal;font-variant:normal;font-weight:normal;letter-spacing:normal;line-height:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;display:inline!important;float:none;background-color:rgb(255,255,255)">Any
                          ideas?<br>
                        </span></div>
                      <div>
                        <div>
                          <div class="gmail_extra"><br>
                            <div class="gmail_quote">On Sun, Dec 20,
                              2015 at 1:47 PM, Dmitri Savolainen <span
                                dir="ltr"><<a moz-do-not-send="true"
                                  href="mailto:savolainen@erinaco.ru"
                                  target="_blank">savolainen@erinaco.ru</a>></span>
                              wrote:<br>
                              <blockquote class="gmail_quote"
                                style="margin:0 0 0 .8ex;border-left:1px
                                #ccc solid;padding-left:1ex">
                                <div dir="ltr">hi, it means BYE was
                                  generated by called party, so the To
                                  and From URIs and tags have been
                                  swapped.</div>
                                <div class="gmail_extra"><br>
                                  <div class="gmail_quote"><span>2015-12-20
                                      11:52 GMT+03:00 Gholamreza Sabery
                                      <span dir="ltr"><<a
                                          moz-do-not-send="true"
                                          href="mailto:gr.sabery@gmail.com"
                                          target="_blank"><a class="moz-txt-link-abbreviated" href="mailto:gr.sabery@gmail.com">gr.sabery@gmail.com</a></a>></span>:<br>
                                    </span>
                                    <blockquote class="gmail_quote"
                                      style="margin:0 0 0
                                      .8ex;border-left:1px #ccc
                                      solid;padding-left:1ex"><span>
                                        <div dir="ltr">
                                          <div>In the ACC modules'
                                            database table (acc) in
                                            Kamailio sometimes from_tag,
                                            to_tag and callid of an
                                            INVITE and corresponding BYE
                                            completely match. But
                                            sometimes from_tag in INVITE
                                            is to_tag of BYE and to_tag
                                            of BYE will become from_tag
                                            of INVITE. Why this happens?
                                            Is this normal?<br>
                                            <br>
                                          </div>
                                          Regards<br>
                                        </div>
                                        <br>
                                      </span>_______________________________________________<br>
                                      SIP Express Router (SER) and
                                      Kamailio (OpenSER) - sr-users
                                      mailing list<br>
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                                        href="mailto:sr-users@lists.sip-router.org"
                                        target="_blank">sr-users@lists.sip-router.org</a><br>
                                      <a moz-do-not-send="true"
                                        href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users"
                                        rel="noreferrer" target="_blank">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                                      <br>
                                    </blockquote>
                                  </div>
                                  <span><font color="#888888"><br>
                                      <br clear="all">
                                      <div><br>
                                      </div>
                                      -- <br>
                                      <div>
                                        <div dir="ltr">
                                          <div>
                                            <div dir="ltr">
                                              <div>Savolainen Dmitri</div>
                                            </div>
                                          </div>
                                        </div>
                                      </div>
                                    </font></span></div>
                                <br>
_______________________________________________<br>
                                SIP Express Router (SER) and Kamailio
                                (OpenSER) - sr-users mailing list<br>
                                <a moz-do-not-send="true"
                                  href="mailto:sr-users@lists.sip-router.org"
                                  target="_blank">sr-users@lists.sip-router.org</a><br>
                                <a moz-do-not-send="true"
                                  href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users"
                                  rel="noreferrer" target="_blank">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                                <br>
                              </blockquote>
                            </div>
                            <br>
                          </div>
                        </div>
                      </div>
                      <br>
                      _______________________________________________<br>
                      SIP Express Router (SER) and Kamailio (OpenSER) -
                      sr-users mailing list<br>
                      <a moz-do-not-send="true"
                        href="mailto:sr-users@lists.sip-router.org"
                        target="_blank">sr-users@lists.sip-router.org</a><br>
                      <a moz-do-not-send="true"
                        href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users"
                        rel="noreferrer" target="_blank">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                      <br>
                    </blockquote>
                  </div>
                  <br>
                  <br clear="all">
                  <div><br>
                  </div>
                  -- <br>
                  <div>
                    <div dir="ltr">
                      <div>
                        <div dir="ltr">
                          <div>Savolainen Dmitri</div>
                        </div>
                      </div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
            <br>
            _______________________________________________<br>
            SIP Express Router (SER) and Kamailio (OpenSER) - sr-users
            mailing list<br>
            <a moz-do-not-send="true"
              href="mailto:sr-users@lists.sip-router.org">sr-users@lists.sip-router.org</a><br>
            <a moz-do-not-send="true"
              href="http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users"
              rel="noreferrer" target="_blank">http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users</a><br>
            <br>
          </blockquote>
        </div>
        <br>
      </div>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <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://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>
Book: SIP Routing With Kamailio - <a class="moz-txt-link-freetext" href="http://www.asipto.com">http://www.asipto.com</a>
<a class="moz-txt-link-freetext" href="http://miconda.eu">http://miconda.eu</a></pre>
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