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    There is no way that this is the problem.<br>
    In one remote site i had only one 7911 working fine with CUCM 6.1.2.<br>
    After the upgrade to 8.6.2a, even this old phone is having the same
    issue!<br>
    I keep having on the phone status: failed to update itl .<br>
    <br>
    On 23/1/2012 8:09 μμ, Peter Slow wrote:
    <blockquote
cite="mid:CAMa5Jw5zwkwzshWMd-yGWHyfA4Dtyp0VUT4iP3YrGC=Bu4AAGA@mail.gmail.com"
      type="cite">I think what MIke meant was "Check the routing path
      between the two phones."<br>
      <br>
      -Peter<br>
      <br>
      <br>
      <div class="gmail_quote">On Mon, Jan 23, 2012 at 12:41 PM, Mike <span
          dir="ltr"><<a moz-do-not-send="true"
            href="mailto:mikeeo@msn.com">mikeeo@msn.com</a>></span>
        wrote:<br>
        <blockquote class="gmail_quote" style="margin:0 0 0
          .8ex;border-left:1px #ccc solid;padding-left:1ex">
          <div bgcolor="white" link="blue" vlink="purple" lang="EN-US">
            <div>
              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Your
                  key statement is this:</span></p>
              <div class="im">
                <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                <p class="MsoNormal">Then, we moved it to another
                  subnet.<br>
                  It got registered but not audio in one way!</p>
                <p class="MsoNormal"> </p>
              </div>
              <p class="MsoNormal">Check your routing path to the CM.<span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"></span></p>
              <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
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                  1.0pt;padding:3.0pt 0in 0in 0in">
                  <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
                      <a moz-do-not-send="true"
                        href="mailto:cisco-voip-bounces@puck.nether.net"
                        target="_blank">cisco-voip-bounces@puck.nether.net</a>
                      [mailto:<a moz-do-not-send="true"
                        href="mailto:cisco-voip-bounces@puck.nether.net"
                        target="_blank">cisco-voip-bounces@puck.nether.net</a>]
                      <b>On Behalf Of </b>Anthony Kouloglou<br>
                      <b>Sent:</b> Monday, January 23, 2012 10:15 AM<br>
                      <b>To:</b> Nate VanMaren<br>
                      <b>Cc:</b> <a moz-do-not-send="true"
                        href="mailto:cisco-voip@puck-nether.net"
                        target="_blank">cisco-voip@puck-nether.net</a><br>
                      <b>Subject:</b> Re: [cisco-voip] After upgrade to
                      8.6.2a one way audio for some calls-No codec
                      selected!</span></p>
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              <div>
                <div class="h5">
                  <p class="MsoNormal"> </p>
                  <p class="MsoNormal">Yes!<br>
                    Everything seems to be as it supposed to be!<br>
                    One Phone got registered at the main site. Worked
                    fine.<br>
                    Then, we moved it to another subnet.<br>
                    It got registered but not audio in one way!<br>
                    <br>
                    Can't this ITL/CTL feature/bug be disabled?<br>
                    <br>
                    On 20-Jan-12 17:26, Nate VanMaren wrote: </p>
                  <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Are
                      your phones running firmware you expect them to
                      be?</span></p>
                  <p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"> </span></p>
                  <div>
                    <div style="border:none;border-top:solid #b5c4df
                      1.0pt;padding:3.0pt 0in 0in 0in">
                      <p class="MsoNormal"><b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">From:</span></b><span
style="font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext">
                          <a moz-do-not-send="true"
                            href="mailto:cisco-voip-bounces@puck.nether.net"
                            target="_blank">cisco-voip-bounces@puck.nether.net</a>
                          [<a moz-do-not-send="true"
                            href="mailto:cisco-voip-bounces@puck.nether.net"
                            target="_blank">mailto:cisco-voip-bounces@puck.nether.net</a>]
                          <b>On Behalf Of </b>Anthony Kouloglou<br>
                          <b>Sent:</b> Friday, January 20, 2012 1:33 AM<br>
                          <b>To:</b> <a moz-do-not-send="true"
                            href="mailto:cisco-voip@puck-nether.net"
                            target="_blank">cisco-voip@puck-nether.net</a><br>
                          <b>Subject:</b> [cisco-voip] After upgrade to
                          8.6.2a one way audio for some calls-No codec
                          selected!</span></p>
                    </div>
                  </div>
                  <p class="MsoNormal"> </p>
                  <p class="MsoNormal">Hi all,<br>
                    here is a tough one! <br>
                    I recently upgraded my 6.1 cluster to 8.6.2a.<br>
                    Since my Hardware was 7825H3 typically it was not an
                    upgrade rather than a fresh install using a usb
                    drive (cisco has this procedure for these type of
                    servers)<br>
                    The upgrade was smooth for pub and one sub.<br>
                    All phones reregistered and upgraded.<br>
                    In the main site there are 20 devices (7975, 7961,
                    7911) and at 2 remote sites 2 devices (one at each
                    site).<br>
                    After the upgrade:<br>
                    all phones in the main site can talk to each other.<br>
                    The two remote phones can talk to each other.<br>
                    Each of the remote phones when talking to main site
                    have one way audio!<br>
                    The remote site does not hear the main site always.<br>
                    There is no firewall/NAT  between the sites.<br>
                    I noticed that there is no codec selected for the
                    audio stream that has the problems and so no
                    transmit (or received packets for the other).<br>
                    And i explain: in an active call between the main
                    site and a remote i checked the send/received codecs
                    and statistics.<br>
                    the main site had g711 as received codec and of
                    course the received packets augmented<br>
                    but there was none as send codec and of course no
                    packets transmited.<br>
                    In the remote site the findings were inversed (no
                    receive codec and no receive packets<br>
                    <br>
                    lease advise<br>
                    <br>
                    BR<br>
                    Anthony</p>
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                    <p class="MsoNormal"><span
style="font-size:10.0pt;font-family:"Calibri","sans-serif""><br>
                        <br>
                        <br>
                        <br>
                      </span></p>
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                    <p class="MsoNormal">
                      <span style="color:#666666"><br>
                        <br>
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