Options While On Calls - AT&T CL4939 User Manual

Telephone operation
Audio assist is a trademark of Advanced American Telephones.
TM

Options while on calls

Audio assist™
Some voices will sound louder and clearer if you
press AUDIO ASSIST while you are on a call using
the handset. Press AUDIO ASSIST again to turn
the feature off. This feature automatically turns off
when you hang up. You must press AUDIO ASSIST
every time you want to activate the feature.
Mute
Use this feature during a telephone conversation to
silence the handset or speakerphone microphone.
To mute the call:
• During a telephone conversation, press MUTE to
silence the microphone. The MUTE light turns
on. You hear the other party, but the other
party does not hear you.
To un-mute the call:
Press MUTE and resume speaking. The MUTE
•
light turns off.
-OR-
Mute is automatically canceled when you end
the call.
NOTE: Switching between the handset and
speakerphone cancels the mute function.
24