I have the following doubt: In CCM 4.2.1 the IP Phone take what time: The time & date or time zone configured in CCM machine? or It take the Date/Time Group configured in CCM?
I have the same doubt about IP Communicator, until where I know It take time of user machine, it's wright? There are differente between, for example GMT-4 Caracas and GMT-4 Manaus?
The Call Manager uses the servers time as a base and then offsets the time based on the Date/Time group. The combination of this is what is displayed on the phone.