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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><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><p class=MsoListParagraph style='margin-left:38.25pt;text-indent:-20.25pt;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-family:"Courier New";color:#1F497D'><span style='mso-list:Ignore'>1)<span style='font:7.0pt "Times New Roman"'> </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 lfo1'><![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></div></body></html>