Options while on calls, Volume control, Call waiting – AT&T CL81219 User Manual
Page 23: Mute, Volume control call waiting mute

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Telephone operation
Options while on calls
Volume control
While on a call, press
VOLUME-/qCID to decrease or press VOLUME+/DIRp
to increase the listening volume.
NOTES:
1. Handset and speakerphone volume settings are independent.
2. When the volume reaches the minimum or maximum setting, you hear two
beeps.
Call waiting
If you subscribe to call waiting service with your telephone service provider,
you hear a beep if someone calls while you are already on a call.
Press
PHONE/
FLASH
to put your current call on hold and take the new
call. Press
PHONE/
FLASH
at any time to switch back and forth between
calls.
Mute
Use the mute function to turn off the microphone. You can hear
the caller, but the caller does not hear you.
To mute a call:
Press
MUTE/
DELETE
. When mute is on, the handset screen
shows
MUTED for a few seconds and the MUTE icon appears
until you turn off mute.
To un-mute a call:
Press
MUTE/
DELETE
again. When mute is off,
MICROPHONE
ON appears temporarily on the handset screen.
•
•
PHONE 0:00:30
MUTED
MUTE
MUTE/
DELETE
VOLUME-/
qCID
or
VOLUME+/
DIRp