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    <tt>Hi Nab</tt><tt>eel,</tt><tt><br>
    </tt><tt><br>
    </tt><tt>This time the SIP trace looks ok - the message is sent to a
      public IP and not a private one (as shown in the prev capture).
      Also the usrloc data looks ok, telling that the NAT traversal work</tt><tt>s
      ok.</tt><tt><br>
    </tt><tt>As you have Mobile Data, some operators do filter SIP, so
      not sure what say.</tt><tt><br>
    </tt><tt><br>
    </tt><tt>Do you see the sip messages going back and forward during
      the </tt><tt>registration process ? </tt><tt><br>
    </tt><tt><br>
    </tt><tt>An issue may be the fact the default script does non-SIP
      pinging </tt><tt>(which is unidirectional), so the NAT may close.
      Add the followings:</tt><tt><br>
    </tt><tt>1) </tt><tt>modparam("nathelper", "sipping_bflag",
      "SIP_PING_FLAG")</tt><tt><br>
    </tt><tt>   </tt><tt>modparam("nathelper", "sipping_from",
      <a class="moz-txt-link-rfc2396E" href="mailto:sip:pinger@xx.xx.xx.xx">"sip:pinger@xx.xx.xx.xx"</a>)</tt><tt><br>
      <br>
    </tt><tt>2) setbflag(</tt><tt>SIP_PING_FLAG); before doing save()</tt><tt><br>
    </tt><tt><br>
    </tt><tt>You should see OpenSIPS doing </tt><tt>keep alive with
      OPTIONS requests.<br>
    </tt><tt>Reg</tt><tt>ards,</tt><br>
    <tt></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>
    <div class="moz-cite-prefix">On 06.08.2015 14:59, Nabeel wrote:<br>
    </div>
    <blockquote
cite="mid:CA+vx6KK-V=JQccgeQV-POYrNDLrouada+6iHLRoFAjEg3SqRqQ@mail.gmail.com"
      type="cite">
      <p dir="ltr">My OpenSIPS runs on a public IP.  The callee was
        connected to Wi-Fi in my first test earlier, but in the second
        test the callee was connected to a public IP  (public mobile
        network).  In both cases, the same '404 timeout' error occurred
        on call attempt.  The SIP trace for the second case is at this
        link: </p>
      <p dir="ltr"><a moz-do-not-send="true"
          href="http://pastebin.com/jGxRQ34q">http://pastebin.com/jGxRQ34q</a></p>
      <p dir="ltr">Regarding private IP, you said it's impossible to
        route from public IP to private IP.  Although at the IP level
        this may be true, even if the user is on Wi-Fi, the whole point
        of NAT traversal is that the user's public IP is discovered and
        the call can get connected, is that not right?  I'm fact,  using
        a TURN server and a different SIP proxy, I was able to connect
        these same devices under the same networks, so I know this
        should be possible.  I feel something is not configured
        correctly in OpenSIPS / rtpproxy.</p>
      <p dir="ltr">I did "opensipsctl ul show" and the results seem
        normal; please check it:</p>
      <p dir="ltr"><a moz-do-not-send="true"
          href="http://pastebin.com/n1BbTuMK">http://pastebin.com/n1BbTuMK</a></p>
      <p dir="ltr">Perhaps the NAT processing just needs a bit more
        time; in thar case what are the config options to increase the
        request timeout for UDP?  I have seen the 'tcp_send_timeout' and
        'tcp_connect_timeout' options for TCP, but please let me know if
        there are similar options for UDP.</p>
      <div class="gmail_quote">On 6 Aug 2015 12:08, "Bogdan-Andrei
        Iancu" &lt;<a moz-do-not-send="true"
          href="mailto:bogdan@opensips.org">bogdan@opensips.org</a>&gt;
        wrote:<br type="attribution">
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div text="#000000" bgcolor="#FFFFFF"> <tt>Nabeel,<br>
              <br>
              I suppose you OpenSIPS seats on a public IP, right ? The
              callee looks to have a private IP. And, at IP level, it is
              impossible to route from a public IP to a private one.<br>
              <br>
              I see your script has NAT traversal support. My question
              is - did the callee properly registered via this script ?
              can you do an "opensipsctl ul show" to see the callee's
              registration ?<br>
              <br>
              Regards,<br>
            </tt>
            <pre cols="72">Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
<a moz-do-not-send="true" href="http://www.opensips-solutions.com" target="_blank">http://www.opensips-solutions.com</a></pre>
            <div>On 06.08.2015 07:14, Nabeel wrote:<br>
            </div>
            <blockquote type="cite">
              <div dir="ltr">Hi,
                <div><br>
                </div>
                <div>Yes, the destination IP is <span
                    style="font-size:12.8000001907349px"> </span><span><a
                      moz-do-not-send="true"
                      href="http://192.168.0.19:60912/" target="_blank">192.168.0.19:60912</a> and
                    both phones are registered to OpenSIPS.  In this
                    case, the callee is connected to Wi-Fi (hence 192.xx
                    IP address) and the caller is connected to a mobile
                    network.</span></div>
                <div><span><br>
                  </span></div>
                <div><font color="#000000" face="Consolas, Menlo,
                    Monaco, Lucida Console, Liberation Mono, DejaVu Sans
                    Mono, Bitstream Vera Sans Mono, monospace, serif"><span
                      style="font-size:12px;line-height:21px">The
                      opensips.cfg I am using was generated from 'make
                      menuconfig', except with the addition of "alias=<a
                        moz-do-not-send="true" href="http://domain.com"
                        target="_blank">domain.com</a>". I have attached
                      my config file at this link:</span></font></div>
                <div><font color="#000000" face="Consolas, Menlo,
                    Monaco, Lucida Console, Liberation Mono, DejaVu Sans
                    Mono, Bitstream Vera Sans Mono, monospace, serif"><span
                      style="font-size:12px;line-height:21px"><br>
                    </span></font></div>
                <div><font color="#000000" face="Consolas, Menlo,
                    Monaco, Lucida Console, Liberation Mono, DejaVu Sans
                    Mono, Bitstream Vera Sans Mono, monospace, serif"><span
                      style="font-size:12px;line-height:21px"><a
                        moz-do-not-send="true"
                        href="http://pastebin.com/0QRyC938"
                        target="_blank">http://pastebin.com/0QRyC938</a></span><br>
                  </font></div>
                <div><font color="#000000" face="Consolas, Menlo,
                    Monaco, Lucida Console, Liberation Mono, DejaVu Sans
                    Mono, Bitstream Vera Sans Mono, monospace, serif"><span
                      style="font-size:12px;line-height:21px"><br>
                    </span></font></div>
                <div><font color="#000000" face="Consolas, Menlo,
                    Monaco, Lucida Console, Liberation Mono, DejaVu Sans
                    Mono, Bitstream Vera Sans Mono, monospace, serif"><span
                      style="font-size:12px;line-height:21px"><br>
                    </span></font></div>
              </div>
              <div class="gmail_extra"><br>
                <div class="gmail_quote">On 6 August 2015 at 05:00,
                  SamyGo <span dir="ltr">&lt;<a moz-do-not-send="true"
                      href="mailto:govoiper@gmail.com" target="_blank">govoiper@gmail.com</a>&gt;</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 Nabeel,
                      <div>Quick question; what is this destination ip? <span><a
                            moz-do-not-send="true"
                            href="http://192.168.0.19:60912"
                            target="_blank">192.168.0.19:60912</a> ?</span><span> - </span>Destination

                        User Agent Registered on OpenSIPS?</div>
                      <div>Can you share the opensips.cfg code snippet
                        for this call ?</div>
                    </div>
                    <div class="gmail_extra"><br>
                      <div class="gmail_quote">
                        <div>
                          <div>On Wed, Aug 5, 2015 at 11:55 PM, Nabeel <span
                              dir="ltr">&lt;<a moz-do-not-send="true"
                                href="mailto:nabeelshikder@gmail.com"
                                target="_blank">nabeelshikder@gmail.com</a>&gt;</span>
                            wrote:<br>
                          </div>
                        </div>
                        <blockquote class="gmail_quote" style="margin:0
                          0 0 .8ex;border-left:1px #ccc
                          solid;padding-left:1ex">
                          <div>
                            <div>
                              <div dir="ltr">
                                <div>Hi,</div>
                                <div><br>
                                </div>
                                <div>I am using the residential script
                                  generated by 'make menuconfig', with
                                  UDP and NAT support enabled.  I added
                                  "alias=<a moz-do-not-send="true"
                                    href="http://domain.com"
                                    target="_blank">domain.com</a>" to
                                  the config because otherwise the UA
                                  did not register with my domain (<a
                                    moz-do-not-send="true"
                                    href="mailto:username@domain.com"
                                    target="_blank">username@domain.com</a>). When

                                  I attempt to make a call, I see '408
                                  Request Timeout' in the sip trace and
                                  the call does not connect.  Please
                                  check the log/trace below and advise
                                  how to fix this.</div>
                                <div><br>
                                </div>
                                <div>SIP trace:</div>
                                <div><br>
                                </div>
                                <a moz-do-not-send="true"
                                  href="http://pastebin.com/u5h9qGNr"
                                  target="_blank">http://pastebin.com/u5h9qGNr</a><br>
                                <div><br>
                                </div>
                                <div>OpenSIPS log: </div>
                                <div><br>
                                </div>
                                <div><a moz-do-not-send="true"
                                    href="http://pastebin.com/B8PUCKh0"
                                    target="_blank">http://pastebin.com/B8PUCKh0</a><br>
                                </div>
                              </div>
                              <br>
                            </div>
                          </div>
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                          <br>
                        </blockquote>
                      </div>
                      <br>
                    </div>
                    <br>
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                    <br>
                  </blockquote>
                </div>
                <br>
              </div>
              <br>
              <fieldset></fieldset>
              <br>
              <pre>_______________________________________________
Users mailing list
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</pre>
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