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    <p>Hello,</p>
    <p>how do you expect to fill the value of the header?</p>
    <p>Typically it is build based on the response of the INVITE,
      probably the reason it was implemented inside the tm module. I
      need some example of possible cases you want to be covered to see
      what's possible now or what can be added to enable them.</p>
    <p>Cheers,<br>
      Daniel<br>
    </p>
    <div class="moz-cite-prefix">On 17.11.20 15:17, Denys Pozniak wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CA+x3Axo2YifJghBDvBrS=5STxXoczG+_fm9Tpk_VvAwwLkriaQ@mail.gmail.com">
      <meta http-equiv="content-type" content="text/html; charset=UTF-8">
      <div dir="ltr">Hello!
        <div><br>
        </div>
        <div>We need to append our own Reason header for the "relayed"
          CANCEL message, if it is not on the input.</div>
        <div>Like below:</div>
        <div><br>
        </div>
        <div><i>if ( is_method("CANCEL") &&
            !is_present_hf("Reason") ) {<br>
          </i></div>
        <div><i>  append_hf("Reason: ....);</i></div>
        <div><i>  t_relay();</i></div>
        <div><i>...</i></div>
        <div><i><br>
          </i></div>
        <div><br>
        </div>
        <div><br>
        </div>
      </div>
      <br>
      <div class="gmail_quote">
        <div dir="ltr" class="gmail_attr">вт, 17 нояб. 2020 г. в 13:00,
          Daniel-Constantin Mierla <<a
            href="mailto:miconda@gmail.com" moz-do-not-send="true">miconda@gmail.com</a>>:<br>
        </div>
        <blockquote class="gmail_quote" style="margin:0px 0px 0px
          0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
          <div>
            <p>Hello,</p>
            <p>what is exactly the problem? The header is not added if
              you enable:</p>
            <p>  *
              <a
href="http://kamailio.org/docs/modules/stable/modules/tm.html#local_cancel_reason"
                target="_blank" moz-do-not-send="true">http://kamailio.org/docs/modules/stable/modules/tm.html#local_cancel_reason</a></p>
            <p>Cheers,<br>
              Daniel<br>
            </p>
            <div>On 16.11.20 20:43, Denys Pozniak wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">Hello guys,<br>
                <br>
                We have faced almost the same problem adding <b>Reason:
                  SIP;cause=200;text="Call completed elsewhere"</b> to
                the t_relayed CANCEL request.
                <div>Is there an elegant solution to add this header?</div>
                <div><br>
                </div>
                <div>PS. Switching to the stateless mode does not look
                  pretty for us...<br>
                   <br>
                </div>
              </div>
              <br>
              <div class="gmail_quote">
                <div dir="ltr" class="gmail_attr">сб, 1 февр. 2020 г. в
                  06:04, Alfonso Pinto <<a
                    href="mailto:alfonso.pinto@gmail.com"
                    target="_blank" moz-do-not-send="true">alfonso.pinto@gmail.com</a>>:<br>
                </div>
                <blockquote class="gmail_quote" style="margin:0px 0px
                  0px 0.8ex;border-left:1px solid
                  rgb(204,204,204);padding-left:1ex">
                  <div>
                    <div dir="auto">Hi guys,</div>
                  </div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">Thanks for your answers.</div>
                  <div dir="auto">I did try local_cancel_reason and it’s
                    not doing anything for the CANCELs generated by
                    kamailio. Isn’t that parameter intended for the
                    CANCELs received and then relayed?</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">As Alex and David mentioned, what I
                    need is to add my own reason header. There are some
                    cases that requires to set the Reason header to
                    something specific. IE: terminal supported call
                    waiting in IMS.</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">Thanks for the piece of code, I will
                    check what can be done here.</div>
                  <div dir="auto"><br>
                  </div>
                  <div dir="auto">Regards,</div>
                  <div dir="auto">Alfonso</div>
                  <div><br>
                    <div class="gmail_quote">
                      <div dir="ltr" class="gmail_attr">El El vie, 31
                        ene 2020 a las 22:10, Henning Westerholt <<a
                          href="mailto:hw@skalatan.de" target="_blank"
                          moz-do-not-send="true">hw@skalatan.de</a>>
                        escribió:<br>
                      </div>
                      <blockquote class="gmail_quote" style="margin:0px
                        0px 0px 0.8ex;border-left:1px solid
                        rgb(204,204,204);padding-left:1ex">Hi Alex,<br>
                        <br>
                        ok, I was reading that he wants to get just one
                        reason header, not one dynamic generated.<br>
                        <br>
                        Just looked briefly, this seems to be the code:<br>
                        <br>
                        t_msgbuilder.c<br>
                        /* Build a local request based on a previous
                        request; main<br>
                         * customers of this function are local ACK and
                        local CANCEL<br>
                         */<br>
                        char *build_local(struct cell *Trans,unsigned
                        int branch,<br>
                                unsigned int *len, char *method, int
                        method_len, str *to<br>
                                , struct cancel_reason* reason<br>
                                )<br>
                        <br>
                        Cheers,<br>
                        <br>
                        Henning<br>
                        <br>
                        -- <br>
                        Henning Westerholt – <a
                          href="https://skalatan.de/blog/"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">https://skalatan.de/blog/</a><br>
                        Kamailio services – <a
                          href="https://gilawa.com" rel="noreferrer"
                          target="_blank" moz-do-not-send="true">https://gilawa.com</a>
                        <br>
                        <br>
                        -----Original Message-----<br>
                        From: sr-users <<a
                          href="mailto:sr-users-bounces@lists.kamailio.org"
                          target="_blank" moz-do-not-send="true">sr-users-bounces@lists.kamailio.org</a>>
                        On Behalf Of Alex Balashov<br>
                        Sent: Friday, January 31, 2020 9:45 PM<br>
                        To: <a
                          href="mailto:sr-users@lists.kamailio.org"
                          target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a><br>
                        Subject: Re: [SR-Users] Add Reason Header to
                        kamailio generated CANCEL<br>
                        <br>
                        I understood Alfonso's question to implicitly
                        be: how can I add a dynamic and variable Reason
                        header to outgoing CANCELs?<br>
                        <br>
                        Perhaps I was mistaken. But if I'm not, as far
                        as I know there is no means of doing that.
                        Right?<br>
                        <br>
                        On Fri, Jan 31, 2020 at 08:37:48PM +0000,
                        Henning Westerholt wrote:<br>
                        <br>
                        > Hello,<br>
                        > <br>
                        > have you tried to use this parameter:<br>
                        > <br>
                        > <a
href="http://kamailio.org/docs/modules/stable/modules/tm.html#local_cancel_r"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">http://kamailio.org/docs/modules/stable/modules/tm.html#local_cancel_r</a><br>
                        > eason<br>
                        > <br>
                        > Cheers,<br>
                        > <br>
                        > Henning<br>
                        > <br>
                        > --<br>
                        > Henning Westerholt – <a
                          href="https://skalatan.de/blog/"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">https://skalatan.de/blog/</a>
                        Kamailio services – <br>
                        > <a href="https://gilawa.com"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">https://gilawa.com</a><<a
                          href="https://gilawa.com/" rel="noreferrer"
                          target="_blank" moz-do-not-send="true">https://gilawa.com/</a>><br>
                        > <br>
                        > From: sr-users <<a
                          href="mailto:sr-users-bounces@lists.kamailio.org"
                          target="_blank" moz-do-not-send="true">sr-users-bounces@lists.kamailio.org</a>>
                        On Behalf Of <br>
                        > Alfonso Pinto<br>
                        > Sent: Wednesday, January 29, 2020 8:04 PM<br>
                        > To: Kamailio (SER) - Users Mailing List
                        <<a href="mailto:sr-users@lists.kamailio.org"
                          target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a>><br>
                        > Subject: [SR-Users] Add Reason Header to
                        kamailio generated CANCEL<br>
                        > <br>
                        > Hi everyone,<br>
                        > <br>
                        > I've got a specific case: when the inv_fr
                        times out, I need to add a Reason header to the
                        CANCEL generated by kamailio. I've tried to see
                        if I could do it in the onsend_route, but that
                        one is not triggered for the generated CANCEL. I
                        also checked event_route[tm:local-request], but
                        that one isn't triggered either for the
                        generated CANCEL.<br>
                        > <br>
                        > Is there any way to do it? Or maybe to have
                        any pointer about where to look in the code so I
                        may try to trigger event_route[tm:local-request]
                        for these generated CANCELs?<br>
                        > <br>
                        > Regards,<br>
                        > Alfonso<br>
                        <br>
                        >
                        _______________________________________________<br>
                        > Kamailio (SER) - Users Mailing List<br>
                        > <a
                          href="mailto:sr-users@lists.kamailio.org"
                          target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a><br>
                        > <a
                          href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                        <br>
                        <br>
                        --<br>
                        Alex Balashov | Principal | Evariste Systems LLC<br>
                        <br>
                        Tel: +1-706-510-6800 / +1-800-250-5920
                        (toll-free)<br>
                        Web: <a href="http://www.evaristesys.com/"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">http://www.evaristesys.com/</a>,
                        <a href="http://www.csrpswitch.com/"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">http://www.csrpswitch.com/</a><br>
                        <br>
                        _______________________________________________<br>
                        Kamailio (SER) - Users Mailing List<br>
                        <a href="mailto:sr-users@lists.kamailio.org"
                          target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a><br>
                        <a
                          href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users"
                          rel="noreferrer" target="_blank"
                          moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                      </blockquote>
                    </div>
                  </div>
                  _______________________________________________<br>
                  Kamailio (SER) - Users Mailing List<br>
                  <a href="mailto:sr-users@lists.kamailio.org"
                    target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a><br>
                  <a
                    href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users"
                    rel="noreferrer" target="_blank"
                    moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a><br>
                </blockquote>
              </div>
              <br clear="all">
              <div><br>
              </div>
              -- <br>
              <div dir="ltr">
                <div dir="ltr"><br>
                  <div>
                    <div>BR,</div>
                    <div>Denys Pozniak<br>
                    </div>
                    <div><br>
                    </div>
                    <div><br>
                    </div>
                  </div>
                </div>
              </div>
              <br>
              <fieldset></fieldset>
              <pre>_______________________________________________
Kamailio (SER) - Users Mailing List
<a href="mailto:sr-users@lists.kamailio.org" target="_blank" moz-do-not-send="true">sr-users@lists.kamailio.org</a>
<a href="https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users" target="_blank" moz-do-not-send="true">https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users</a>
</pre>
            </blockquote>
            <pre cols="72">-- 
Daniel-Constantin Mierla -- <a href="http://www.asipto.com" target="_blank" moz-do-not-send="true">www.asipto.com</a>
<a href="http://www.twitter.com/miconda" target="_blank" moz-do-not-send="true">www.twitter.com/miconda</a> -- <a href="http://www.linkedin.com/in/miconda" target="_blank" moz-do-not-send="true">www.linkedin.com/in/miconda</a>
Funding: <a href="https://www.paypal.me/dcmierla" target="_blank" moz-do-not-send="true">https://www.paypal.me/dcmierla</a></pre>
          </div>
        </blockquote>
      </div>
      <br clear="all">
      <div><br>
      </div>
      -- <br>
      <div dir="ltr" class="gmail_signature">
        <div dir="ltr"><br>
          <div>
            <div>BR,</div>
            <div>Denys Pozniak<br>
            </div>
            <div><br>
            </div>
            <div><br>
            </div>
          </div>
        </div>
      </div>
    </blockquote>
    <pre class="moz-signature" cols="72">-- 
Daniel-Constantin Mierla -- <a class="moz-txt-link-abbreviated" href="http://www.asipto.com">www.asipto.com</a>
<a class="moz-txt-link-abbreviated" href="http://www.twitter.com/miconda">www.twitter.com/miconda</a> -- <a class="moz-txt-link-abbreviated" href="http://www.linkedin.com/in/miconda">www.linkedin.com/in/miconda</a>
Funding: <a class="moz-txt-link-freetext" href="https://www.paypal.me/dcmierla">https://www.paypal.me/dcmierla</a></pre>
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