Chapter 2 Features and buttons 13
•Press 
to activate the headset mode. When the 
light is on, press a line or intercom button to make a call.
•To switch to your headset when you are on a handset call, press 
and replace the handset. Lift the handset to switch back.
•To switch to your headset when you are on a Handsfree call, press 
. Press 
to switch back.
Mute
•While on a call, press 
to turn off the microphone. The 
button lights when the microphone is off.
•Press 
again to turn on the microphone.
•Use 
on handset, Handsfree, or headset calls.
Time offset
When your IP Phone 2002 is located in a different time zone from your system, the display shows the system time, not the local time. The Time Offset feature enables you to adjust the time that appears on the display.
Before you begin, calculate the time difference, in hours, between the server time and local time.
To change the time that appears on your telephone display to local time:
1Press Feature *510.
2Press CHANGE.
3Press * to switch between adding or subtracting time.
4Using the dialpad, enter the number of hours between local time and system time.
Note: Press # to enter half hour increments.
5Press OK.
Note: It may take up to one minute for the change to appear on the display.
IP Phone 2002 User Guide