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    Are they telling you to upgrade to the latest firmware supported on
    CCM 4.2.3 or to upgrade to a CUCM 8.5 firmware? <br>
    <pre class="moz-signature" cols="72">Thanks!

Matthew Berry, CCIE #26721 (Voice)

Email: <a class="moz-txt-link-abbreviated" href="mailto:thematthewberry@gmail.com">thematthewberry@gmail.com</a>
Twitter: <a class="moz-txt-link-freetext" href="http://twitter.com/CiscoVoiceGuru">http://twitter.com/CiscoVoiceGuru</a>
Tech Blog: <a class="moz-txt-link-freetext" href="http://ciscovoiceguru.com">http://ciscovoiceguru.com</a></pre>
    <br>
    On 3/1/11 8:51 AM, <a class="moz-txt-link-abbreviated" href="mailto:kpyib@tin.it">kpyib@tin.it</a> wrote:
    <blockquote cite="mid:12e71e71fb6.kpyib@tin.it" type="cite">Yes Yes,
      I know!!!<br>
      <br>
      But my doubt is that, Cisco say that is necessary to preupgrade
      phone firmware, before they connect for the first time, to the new
      CUCM cluster?<br>
      <br>
      Is this true?<br>
      <br>
      regards<br>
      <br>
      Alessandro<br>
      <br>
      ----Messaggio originale----<br>
      Da: <a class="moz-txt-link-abbreviated" href="mailto:matthew@ciscovoiceguru.com">matthew@ciscovoiceguru.com</a><br>
      Data: 1-mar-2011 15.24<br>
      A: <a class="moz-txt-link-rfc2396E" href="mailto:cisco-voip@puck.nether.net"><cisco-voip@puck.nether.net></a><br>
      Ogg: Re: [cisco-voip] Upgrade CCM 4.2.3 to CUCM 8.5<br>
      <br>
      <!--
    
  --> Alessandro -<br>
      <br>
      When you upgrade from CCM 4.2.3 to CUCM 8.5, you'll for sure need
      to update the firmware in your phones.  The updated TFTP server
      should address this for you once your phones register for the
      first time with the newer CUCM cluster.<br>
      <br>
      What model of phones do you currently have?  <br>
      <br>
      I don't understand your concern about cost concerning phone
      firmware.<br>
      <br>
      Matthew<br>
      <br>
      On 3/1/11 8:10 AM, <a moz-do-not-send="true"
        class="moz-txt-link-abbreviated" href="mailto:kpyib@tin.it">kpyib@tin.it</a>
      wrote:
      <blockquote cite="mid:12e71c15514.kpyib@tin.it" type="cite"> Hi
        Guys, I need to upgrade CCM 4.2.3 to CUCM 8.5, Cisco telle me
        that I must, before upgrade CUCM, upgrade Firware Phone with
        last firmware files.<br>
        <br>
        For me is much expensive to do so!!!!<br>
        <br>
        The question is, Is really necessary to upgrade Firmware phones
        before upgrading CUCM 4.2.3 to CUCM 8.5?<br>
        <br>
        thank you for the answers<br>
        <br>
        Regards<br>
        <br>
        Alessandro Bertacco<br>
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