My guess is the Phone Firmware...Try updating to the newest firmware on the phones...I had a problem with phones saying CM down Features disabled, but mine was being caused by a user hanging up the phone after being in a call....Then the phone would ...

Are the phones on the LAN with the CM server or across a WAN?My guess is the Phone Firmware...Try updating to the newest firmware on the phones...I had a problem with phones saying CM down Features disabled, but mine was being caused by a user hangin...