Telephone operation
DELETE/MUTE
Options while on calls
Mute
The mute function allows you to turn off the microphone. You can hear the caller, but the caller will not be able to hear you.
To mute the call:
•Press DELETE/MUTE to turn off the microphone. When mute is on, the handset screen will show MUTED for a few seconds and the MUTE icon will be shown until mute is turned off.
To
•Press DELETE/MUTE again and resume speaking. When mute is turned off, MICROPHONE ON will display temporarily on the handset screen.
NOTE: You cannot press 
OFF/CLEAR to exit redial, directory or caller ID history without ending the call.
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