AT&T 1856 - Quick Reference Guide

VOLUME
During a call, press or to
adjust listening volume.
MUTE
Press to silence the microphone.
Press again to resume
conversation.
SPEAKER
Press to turn the speakerphone
on or off (begin or end a call).
Quick reference guide
CID
When the telephone is idle,
press to display caller ID
information.
While entering numbers, press
twice to insert a three-second
dialing pause.
DISPLAY DIAL
Press to dial the number
currently displayed.
FLASH
During a call, press to receive
an incoming call if call
waiting is activated.
TAS/SETUP
Press to hear setup options.
Press and hold to change
answering system options.
CID/SETUP
Press to customize the
telephone's operation.
PROG/MEM
Press to program a number.
M1/M2/M3
Press to dial a one-touch
number.
CLOCK RESET
Press to review. Press and hold
to set the clock.
REMOVE
Press to delete caller ID currently
displayed.
REDIAL
Press to redial last number
dialed.
DELETE
Press to delete a message
currently playing.
When phone is not in use,
press and hold to delete all
old messages.
REPEAT/MEMO
Press once to repeat a
message currently playing, and
press twice to listen to the
previous messages.
Press to record a memo or
change a menu setting.
ON/OFF
Press to turn answering system
on or off.
SKIP/ANNC
Press to skip a message
or change a menu setting.
Press and hold to record an
announcement.
PLAY/STOP
When the telephone is idle, if
you have new messages, press
to play. Press again to stop
message playback.
Press and hold to play all
messages (the oldest first).
CID
When the telephone is idle,
press to display caller ID
information.
While entering numbers, press
to delete the last number
entered.
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