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    <tt>Can you log the $du and $ru, and check they are proper sip uris,
      and whether they are IPv4 and IPv6? Also log the $si.<br>
      <br>
      Best regards,<br>
    </tt>
    <pre class="moz-signature" cols="72">Răzvan Crainea
OpenSIPS Developer
<a class="moz-txt-link-abbreviated" href="http://www.opensips-solutions.com">www.opensips-solutions.com</a></pre>
    <div class="moz-cite-prefix">On 09/25/2017 01:39 PM, Ravindrakumar
      Bhatt wrote:<br>
    </div>
    <blockquote type="cite"
cite="mid:CAN0RySqnB4PjpxWckw6m-u+w0yDQ4WHTgxjEOmyD2xZv=0ZjKw@mail.gmail.com">
      <div dir="ltr"><tt>Hi Răzvan,<br>
          Thank  you for your response. i am using opensips 2.2.3 at the
          moment and i am not using mhomed or force_send_socket() for
          forwarding request.<br>
          <br>
          i am using following logic to forward my request.<br>
          <br>
            $ru = $avp(cfwdbusy);<br>
            $du = $avp(cfwdbusy);<br>
            #accounting details<br>
            $avp(leg_src)=$tU;<br>
            $avp(leg_dst)=$(avp(cfwdbusy){uri.user});<br>
            $avp(leg_call_type)="cfwdbusy";<br>
          <br>
            append_hf("CFWD: YES\r\n");<br>
            if (!t_relay()) {<br>
                   send_reply("500","Internal Error");<br>
            }<br>
          if anything else is needed from my side please let me know.<br>
          <br>
          Regards,<br>
          Ravindrakumar Bhatt<br>
          <br>
        </tt></div>
      <div class="gmail_extra"><br>
        <div class="gmail_quote">On Mon, Sep 25, 2017 at 1:21 PM, Răzvan
          Crainea <span dir="ltr"><<a
              href="mailto:razvan@opensips.org" target="_blank"
              moz-do-not-send="true">razvan@opensips.org</a>></span>
          wrote:<br>
          <blockquote class="gmail_quote" style="margin:0 0 0
            .8ex;border-left:1px #ccc solid;padding-left:1ex">
            <div text="#000000" bgcolor="#FFFFFF"> <tt>Hi,
                Ravindrakumar!<br>
                <br>
                What version of OpenSIPS are you using?<br>
                Are you using mhomed or force_send_socket() in your
                script? My assumption is that you are using a wrong
                interface to forward the request.<br>
                <br>
                Best regards,<br>
              </tt>
              <pre class="m_7437373995529184709moz-signature" cols="72">Răzvan Crainea
OpenSIPS Developer
<a class="m_7437373995529184709moz-txt-link-abbreviated" href="http://www.opensips-solutions.com" target="_blank" moz-do-not-send="true">www.opensips-solutions.com</a></pre>
              <div>
                <div class="h5">
                  <div class="m_7437373995529184709moz-cite-prefix">On
                    09/24/2017 08:18 PM, Ravindrakumar Bhatt wrote:<br>
                  </div>
                </div>
              </div>
              <blockquote type="cite">
                <div>
                  <div class="h5">
                    <div dir="auto">
                      <div dir="auto">Hello guys, </div>
                      <div dir="auto">I need help to understand why am I
                        getting below mentioned error and it's possible
                        solutions ?</div>
                      <div dir="auto"><br>
                      </div>
                      <div dir="auto">Here opensips is listening to both
                        IPv4 and IPv6 socket and one to one call between
                        IPv4 <--> IPv6,both IPv4 and Both IPv6
                        users is working fine,but when I am trying to
                        use call forwarding I am getting this error.</div>
                      <div dir="auto">
                        <div style="color:purple"><br
                            style="font-family:sans-serif;font-size:13.696px">
                          <div
                            style="font-family:sans-serif;font-size:13.696px">Sep
                            13 13:18:45 host60-190-60-195
                            /usr/local/sbin/opensips[13423<wbr>6]:
                            ERROR:core:proto_udp_send:
                            sendto(sock,0x7f1da1c8a940,230<wbr>0,0,0x7f1da1ca9698,16):
                            Network is unreachable(101)<br>
                            Sep 13 13:18:45 host60-190-60-195
                            /usr/local/sbin/opensips[13423<wbr>6]:
                            ERROR:tm:msg_send: send() for proto 1 failed<br>
                            Sep 13 13:18:45 host60-190-60-195
                            /usr/local/sbin/opensips[13423<wbr>6]:
                            ERROR:tm:t_forward_nonack: sending request
                            failed<br>
                            Sep 13 13:18:45 host60-190-60-195
                            /usr/local/sbin/opensips[13423<wbr>4]: This
                            is handle_nat reply route: 477</div>
                          <br>
                        </div>
                        <div style="color:purple" dir="auto"><span
                            style="background-color:rgb(255,255,255)">Thanks
                            and waiting for suggestions</span>.</div>
                      </div>
                    </div>
                    <br>
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                <pre>______________________________<wbr>_________________
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<a class="m_7437373995529184709moz-txt-link-freetext" href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users" target="_blank" moz-do-not-send="true">http://lists.opensips.org/cgi-<wbr>bin/mailman/listinfo/users</a>
</pre>
              </blockquote>
              <br>
            </div>
            <br>
            ______________________________<wbr>_________________<br>
            Users mailing list<br>
            <a href="mailto:Users@lists.opensips.org"
              moz-do-not-send="true">Users@lists.opensips.org</a><br>
            <a
              href="http://lists.opensips.org/cgi-bin/mailman/listinfo/users"
              rel="noreferrer" target="_blank" moz-do-not-send="true">http://lists.opensips.org/cgi-<wbr>bin/mailman/listinfo/users</a><br>
            <br>
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      <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>
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