Options while on calls, To adjust volume, Call waiting – AT&T 1187 User Manual
Page 16: Hold and mute, If cordless handset sound is unclear, Temporary tone dialing

14
Telephone Operation
Options while on calls
To adjust volume
Press
VOLUME
buttons on the handset or the base to
adjust listening volume.
Call waiting
If you have Call Waiting service, you will hear a beep if
someone calls while you are already on a call. Press
FLASH
to put your current call on hold and take the new
call. You can press this button at any time to switch
back and forth between calls.
Hold and mute
Press
HOLD
to place a call on hold. Press again to resume
your conversation.
When a call is on hold, you can resume the conversation
at the cordless handset (by pressing
PHONE
), or at the
base (by lifting the handset or pressing
SPEAKERPHONE
).
While using the base, you can press
MUTE
to silence the
microphone during a conversation. You will be able to
hear, but your caller will not be able to hear you until
you press
MUTE
again to resume speaking.
If cordless handset sound is unclear
If noise or static disrupts a call, press
CHAN
to scan for a
clearer radio channel between handset and base.
Temporary tone dialing
If you have dial pulse (rotary) service, you can switch to
touch tone dialing during a call by pressing
*
. This
can be useful if you need to send tone signals for access
to answering systems or long-distance services.
Flash
Tone
Volume
V^
Hold
Channel
Flash
Tone
Mute
Volume
Hold
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