AT&T Marathon - Options While on Calls; Volume Control; Call Waiting

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Operation
Options while on calls
Volume control
To adjust the listening volume:
While on a call, press the VOLUME /+ - keys on the
side of the headset to adjust the listening volume.
To adjust the speaking volume:
While on a call, press the VOLUME / keys
on the side of the headset base to adjust the
speaking volume.
NOTE: When the volume reaches the minimum or maximum setting, you
hear three quick beeps.
Call waiting
If you subscribe to call waiting service from your telephone
service provider, and someone calls while you are already on a
call, you hear two beeps.
With installation option 1 or 2, press and hold
MUTE/FLASH on the side of the headset to put
your current call on hold and answer the new
call. You can press and hold MUTE/FLASH at any
time to switch back and forth between calls.
With installation option 3, you must answer
a call waiting call using the corded telephone
base (see your telephone user's manual
for instructions).
•
•
VOLUME /
MUTE/FLASH