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<p class="MsoNormal"><span style="color:#1F497D">When I did this before, it was a firmware problem. The ata on cm4 had old firmware that didn’t like cm8, no would upgrade directly.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D">-Nate<o:p></o:p></span></p>
<p class="MsoNormal"><span style="color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<b>On Behalf Of </b>Thierry De Vriendt<br>
<b>Sent:</b> Friday, May 04, 2012 3:37 AM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] Cisco ATA 186 - Migration to CUCM 8.6<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">Hello,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">We are currently moving some Cisco ATA 186 from our old CCM 4 to CUCM 8.6<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">The ATAs use Skinny.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">We have the following issues:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
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</span></span></span><![endif]><span style="font-family:"Courier New";color:#1F497D">If we change the option 150 (TFTP server) in the DHCP server to the new CUCM, it doesn’t work, the ATA still registers to the old CCM.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="margin-left:38.25pt;text-indent:-20.25pt;mso-list:l0 level1 lfo2">
<![if !supportLists]><span style="font-family:"Courier New";color:#1F497D"><span style="mso-list:Ignore">2)<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-family:"Courier New";color:#1F497D">Even after a restore to factory settings, the ATA still registers to the old CCM.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">If we take ethereal traces, we can see the ATA requests his configuration file to the new CUCM and the TFTP server sends the file. Then the ATA sends a register message to the old CCM.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">Does anybody have already experienced similar behavior?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">Thanks.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D">Thierry<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Courier New";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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