Nortel IP Phone 2001 User Manual page 26

Configure your IP Phone 2001 settings
GMT
✓ (00:00) GMT
Ok
The "✓" shows that you have Greenwich Mean Time selected. Press
Clear and scroll to select a different time zone as shown in the following
example or press Ok to return to the Time menu:
GMT
(-01:00) Cape Verde
GMT
(+01:00) Cen. Europe
26
Clear
Ok Clear
Ok Clear
9 Oct 2:32pm
9 Oct 2:32pm
9 Oct 2:32pm