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    <tt>Hi Mehdi,<br>
      <br>
      If you use forward() function, opensips will do stateless
      forwarding (with no transaction state) - so it is a non sense to
      talk about RFC3261 transaction matching when you are doing
      stateless traffic :).<br>
      <br>
      Use t_relay() instead of forward() if you want opensips to do
      statefull fwd.<br>
      <br>
      Regards,<br>
    </tt>
    <pre class="moz-signature" cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a class="moz-txt-link-freetext" href="http://www.opensips-solutions.com">http://www.opensips-solutions.com</a></pre>
    <br>
    On 02/25/2013 01:28 PM, Mehdi BOUDOU wrote:
    <blockquote
cite="mid:CAByOdx_s3m-CtdDsK7a_-mytMbV-R5hC_H-254gSiZ=f+_hR9A@mail.gmail.com"
      type="cite">
      <div dir="ltr">Hello,<br>
        <div class="gmail_quote">
          <div dir="ltr">
            <div><br>
            </div>
            <div>I'm trying to do callfow with sipp ,Opensips Proxy and
              another Application Server.</div>
            <div><br>
            </div>
            <div>the callflow consist in &nbsp;</div>
            <div>&nbsp; &nbsp; &nbsp; --if there is no cpl file&nbsp;forwarding the call in
              stateless Mode to the other Application Server,</div>
            <div>&nbsp; &nbsp; &nbsp; &nbsp;&nbsp;</div>
            <div>&nbsp; &nbsp; &nbsp; --else executed the cpl file in statefull mode.</div>
            <div><br>
            </div>
            <div>I detect if there is no cpl file (thanks to the patch
              of Bogdan :)) i use forward fonction to send the invite to
              the other AS;</div>
            <div><br>
            </div>
            <div>When the 100 trying arrived Opensips doesn't understand
              the 100trying reply with RFC3261 transaction matching
              failed :-( and Opensips retransmit the Invite</div>
            <div><br>
            </div>
            <div>
              I read RFC <a moz-do-not-send="true" href="tel:3261"
                value="+333261" target="_blank">3261</a>&nbsp;<a
                moz-do-not-send="true"
                name="13d031e32b9e3960_section-17.2.3"
                href="http://tools.ietf.org/html/rfc3261#section-17.2.3"
                style="line-height: 0pt; font-size: 1em; font-weight:
                bold;" target="_blank">17.2.3</a><span style="font-size:
                1em; line-height: 0pt; color: rgb(80, 0, 80);
                font-weight: bold;"> Matching Requests to Server
                Transactions, </span><span style="font-size: 1em;
                line-height: 0pt; color: rgb(80, 0, 80);">and doesn't
                found the </span><span style="font-size: 1em;
                line-height: 0pt; color: rgb(80, 0, 80);">probleme in my
                capture</span></div>
            <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                line-height: 0pt;"><br>
              </span></div>
            <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                line-height: 0pt;">I attached the capture and a logfile.</span></div>
            <div>
              <span style="color: rgb(80, 0, 80); font-size: 1em;
                line-height: 0pt;"><br>
              </span></div>
            <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                line-height: 0pt;">If you have any idea,&nbsp;</span></div>
            <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                line-height: 0pt;"><br>
              </span></div>
            <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                line-height: 0pt;">Thanks in advance</span></div>
            <span class="HOEnZb"><font color="#888888">
                <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                    font-weight: bold; line-height: 0pt;"><br>
                  </span></div>
                <div><span style="color: rgb(80, 0, 80); font-size: 1em;
                    font-weight: bold; line-height: 0pt;">Mehdi&nbsp;</span></div>
                <div>&nbsp;</div>
              </font></span></div>
        </div>
        <br>
      </div>
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