Doubts about Time in IP Phone and IP Communicator

Answered Question
Jan 27th, 2009

Hi Guys,

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?

Thanks,

Wilson Santana

I have this problem too.
0 votes
Correct Answer by Adam Thompson about 7 years 10 months ago

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.

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Adam Thompson Tue, 01/27/2009 - 11:46

The IP phones get their time from the Call Manager subscriber that they are registered to. That being said, Call Manager looks at the GMT timestamp based on the time of the subscriber and converts the offset based on the Date/Time group assigned to the device pool for the phones (IP Communicator included).

Example:

Subscriber Time: 11:42 PST (17:42 GMT)

Date/Time Group: GMT -4 Caracas

The phone would dispaly 15:42 (Caracas time)

Correct Answer
Adam Thompson Wed, 01/28/2009 - 06:50

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.

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