<html>
  <head>
    <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
  </head>
  <body text="#000000" bgcolor="#FFFFFF">
    <div class="moz-cite-prefix">Call in direction from IP Phone to PBX
      works fine.<br>
         <br>
      <br>
      <br>
      30.10.2013 22:57, "Гришин В.С." пишет:<br>
    </div>
    <blockquote cite="mid:5271569A.5080308@vts24.ru" type="cite">
      <meta content="text/html; charset=UTF-8" http-equiv="Content-Type">
      <div class="moz-cite-prefix"><small><font face="Courier New,
            Courier, monospace" size="-1"><small><font size="-1"><font
                  size="-1"><br>
                  <br>
                  the <font size="-1">correct </font>scheme <font
                    size="-1">is</font>    <font size="-1">PBX</font></font>---E1--Cisco

                2811-----VoIP SIP-----<font size="-1">F</font>ree<font
                  size="-1">SWITCH---</font>--</font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><small><font face="Courier New, Courier,
                    monospace" size="-1"><small><font size="-1">VoIP SIP</font></small></font></small>----NAT----asterisk(1.8.20)</font>---IP


              Phone</small></font></small><br>
        <small><font face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><br>
                Asterisk IP </font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><small><font face="Courier New, Courier,
                    monospace" size="-1"><small>is 162.48.13.26</small></font></small></font></small></font></small>
        (<small><font face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1">External IP NAT</font></small></font></small>
        )<br>
        <br>
        <br>
        30.10.2013 22:36, "Гришин В.С." пишет:<br>
      </div>
      <blockquote cite="mid:527151AF.6070009@vts24.ru" type="cite">
        <meta http-equiv="content-type" content="text/html;
          charset=UTF-8">
        <small><font face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><br>
                <font size="-1">the scheme <font size="-1">is</font>   
                  <font size="-1">PBX</font></font>---E1--Cisco
                2811-----VoIP SIP-----<font size="-1">F</font>ree<font
                  size="-1">SWITCH---</font>--</font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><small><font face="Courier New, Courier,
                    monospace" size="-1"><small><font size="-1">VoIP SIP</font></small></font></small>---asterisk(1.8.20)</font>---IP


              Phone<br>
              <br>
              <font size="-1"><font size="-1">FreeSWITCH <font
                    size="-1">IP</font> </font></font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><font size="-1"><small><font face="Courier
                      New, Courier, monospace" size="-1"><small>is
                        191.21.19.12</small></font></small></font></font><br>
              <font size="-1">Asterisk IP </font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><small><font face="Courier New, Courier,
                    monospace" size="-1"><small>is 162.48.13.26</small></font></small></font><br>
              Call comes to  <font size="-1">F</font>ree<font size="-1">SWITCH</font>
              from a </small></font></small><small><font face="Courier
            New, Courier, monospace" size="-1"><small><small><font
                  face="Courier New, Courier, monospace" size="-1"><small><font
                      size="-1">Cisco 2811</font></small></font></small>.</small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><font size="-1"><font size="-1"><small><font
                        face="Courier New, Courier, monospace" size="-1"><small><small><font
                              face="Courier New, Courier, monospace"
                              size="-1"><small><font size="-1"><br>
                                </font></small></font></small></small></font></small></font></font></font></small></font></small><br>
        <font size="-1">SIP session betwee<font size="-1">n  </font></font><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><small><font face="Courier New, Courier,
                    monospace" size="-1"><small><font size="-1">freeswitch 


                        and </font></small></font></small></font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><small><font face="Courier New, Courier,
                    monospace" size="-1"><small><font size="-1"><small><font
                            face="Courier New, Courier, monospace"
                            size="-1"><small><font size="-1">asterisk(1.8.20)</font></small></font></small></font></small></font></small><br>
                <br>
                <br>
              </font>|Time     | 191.21.19.12                          |<br>
              |         |                   | 162.48.13.26     
              |                   <br>
              |21.048754|         INVITE SDP (g711A CN)         |SIP
              From: "91295" &lt;<a moz-do-not-send="true"
                class="moz-txt-link-abbreviated"
                href="mailto:sip:9195@191.21.19.12">sip:9195@191.21.19.12</a>
              To:&lt;<a moz-do-not-send="true"
                class="moz-txt-link-abbreviated"
                href="mailto:sip:9647@162.48.13.26">sip:9647@162.48.13.26</a><br>
              |         |(5065)   ------------------&gt;  (5060)   |<br>
              |21.048758|         INVITE SDP (g711A CN)         |SIP
              From: "91295" &lt;<a moz-do-not-send="true"
                class="moz-txt-link-abbreviated"
                href="mailto:sip:9195@191.21.19.12">sip:9195@191.21.19.12</a>
              To:&lt;<a moz-do-not-send="true"
                class="moz-txt-link-abbreviated"
                href="mailto:sip:9647@162.48.13.26">sip:9647@162.48.13.26</a><br>
              |         |(5065)   ------------------&gt;  (5060)   |<br>
              |21.065794|         100 Trying|                   |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |21.122406|         180 Ringing                   |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |21.143580|         RTP (g711A)                   |RTP Num
              packets:50  Duration:0.922s SSRC:0xB5320A6<br>
              |         |(21866)  &lt;------------------  (12772)  |<br>
              |22.282684|         180 Ringing                   |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |22.296762|         181 Call is being forwarded   |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |27.558268|         180 Ringing                   |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |35.039883|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |35.307222|         RTP (g711A)                   |RTP Num
              packets:1490  Duration:29.773s SSRC:0x530CAB37<br>
              |         |(21866)  &lt;------------------  (12772)  |<br>
              |35.476614|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |35.532995|         RTP (g711A)                   |RTP Num
              packets:2966  Duration:29.680s SSRC:0x308FC816<br>
              |         |(21866)  ------------------&gt;  (12772)  |<br>
              |36.436846|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |38.282686|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |42.025399|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |45.637280|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |49.343115|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |53.119940|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |56.907800|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |60.791453|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |64.606730|         200 OK SDP (g711A)            |SIP
              Status<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |65.219392|         BYE       |                   |SIP
              Request<br>
              |         |(5065)   &lt;------------------  (5060)   |<br>
              |65.234354|         200 OK    |                   |SIP
              Status<br>
              |         |(5065)   ------------------&gt;  (5060)   |<br>
              |65.234359|         200 OK    |                   |SIP
              Status<br>
              |         |(5065)   ------------------&gt;  (5060)   |<br>
            </small></font></small><br>
        <small><font face="Courier New, Courier, monospace" size="-1"><small>It


              is visible that there is no package with ACK confirmation
              from a <font size="-1">Free<font size="-1">SWITCH to
                  Asterisk</font></font>.  Asterisk sends several times
              SIP OK on a <font size="-1">free</font>switch, and
              without having waited confirmations (</small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><small><font
                  face="Courier New, Courier, monospace" size="-1"><small>ACK</small></font></small>)
              after 23 seconds sends SIP BY on a </small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><small><font
                  face="Courier New, Courier, monospace" size="-1"><small><font
                      size="-1">free</font>switch</small></font></small>
              and on IP Phone. <font size="-1">Aft<font size="-1">er
                  that</font></font> call stops. Before <font size="-1">disconnection</font>
              subscribers hear each other of <font size="-1">29</font>
              (+-) seconds<br>
              <br>
              <font size="-1"><font size="-1">In <font size="-1">tcpdump</font>
                  between Cisco and Free<font size="-1">SWITCH</font> it
                  is visible that the SIP ACK <font size="-1">packet
                    from Cisco arrives on a </font></font></font></small></font></small><small><font
            face="Courier New, Courier, monospace" size="-1"><small><font
                size="-1"><font size="-1"><font size="-1"><small><font
                        face="Courier New, Courier, monospace" size="-1"><small><small><font
                              face="Courier New, Courier, monospace"
                              size="-1"><small><font size="-1">free</font>switch<font
                                  size="-1">.</font></small></font></small></small></font></small></font></font></font></small></font></small><br>
        <br>
        <small><font face="Courier New, Courier, monospace">In what
            place the SIP ACK in a FreeSWITCH disappeared?<br>
            What to me to analyse in SIP session?<br>
            Maybe someone solved a similar problem?</font></small><br>
        <small><font face="Courier New, Courier, monospace">please,
            Help!</font></small><br>
        <br>
        <font face="Courier New" size="2" color="black"><span
            style="font-size:10.0pt; font-family:&quot;Courier
            New&quot;;color:black" lang="EN-US">Vladislav Grishin</span></font><br>
        <br>
        <fieldset class="mimeAttachmentHeader"></fieldset>
        <br>
        <pre wrap="">_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.freeswitchsolutions.com">http://www.freeswitchsolutions.com</a>

FreeSWITCH-powered IP PBX: The CudaTel Communication Server
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cudatel.com">http://www.cudatel.com</a>

Official FreeSWITCH Sites
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.freeswitch.org">http://www.freeswitch.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://wiki.freeswitch.org">http://wiki.freeswitch.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.cluecon.com">http://www.cluecon.com</a>

FreeSWITCH-users mailing list
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a>
UNSUBSCRIBE:<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://lists.freeswitch.org/mailman/options/freeswitch-users">http://lists.freeswitch.org/mailman/options/freeswitch-users</a>
<a moz-do-not-send="true" class="moz-txt-link-freetext" href="http://www.freeswitch.org">http://www.freeswitch.org</a>
</pre>
      </blockquote>
      <br>
      <font face="Courier New" size="2" color="black"><span
          style="font-size:10.0pt; font-family:&quot;Courier
          New&quot;;color:black" lang="EN-US">Vladislav Grishin</span></font>
      <br>
      <fieldset class="mimeAttachmentHeader"></fieldset>
      <br>
      <pre wrap="">_________________________________________________________________________
Professional FreeSWITCH Consulting Services:
<a class="moz-txt-link-abbreviated" href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a>
<a class="moz-txt-link-freetext" href="http://www.freeswitchsolutions.com">http://www.freeswitchsolutions.com</a>

FreeSWITCH-powered IP PBX: The CudaTel Communication Server
<a class="moz-txt-link-freetext" href="http://www.cudatel.com">http://www.cudatel.com</a>

Official FreeSWITCH Sites
<a class="moz-txt-link-freetext" href="http://www.freeswitch.org">http://www.freeswitch.org</a>
<a class="moz-txt-link-freetext" href="http://wiki.freeswitch.org">http://wiki.freeswitch.org</a>
<a class="moz-txt-link-freetext" href="http://www.cluecon.com">http://www.cluecon.com</a>

FreeSWITCH-users mailing list
<a class="moz-txt-link-abbreviated" href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a>
<a class="moz-txt-link-freetext" href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a>
UNSUBSCRIBE:<a class="moz-txt-link-freetext" href="http://lists.freeswitch.org/mailman/options/freeswitch-users">http://lists.freeswitch.org/mailman/options/freeswitch-users</a>
<a class="moz-txt-link-freetext" href="http://www.freeswitch.org">http://www.freeswitch.org</a>
</pre>
    </blockquote>
    <font face="Courier New" size="2" color="black"><span
        style="font-size:10.0pt; font-family:&quot;Courier
        New&quot;;color:black" lang="EN-US">Vladislav Grishin</span></font>
  </body>
</html>