Audible Signals - AT&T Four-Line Intercom Speakerphone 974 User Manual

974_CIB_1ATT_033104

Audible Signals

WHEN YOU HEAR:
A RAPID DOUBLE-RING
PATTERN, REPEATING
A LONG SINGLE RING,
REPEATING
A SHORT SINGLE RING,
REPEATING
A SHORT SINGLE TONE,
REPEATING
A LONG SINGLE TONE,
REPEATING
A VERY LONG SINGLE
TONE, REPEATING
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IT MEANS:
You have an incoming intercom call.
You have an incoming transferred call.
The extension number you just
programmed has already been assigned.
Choose another number
for this extension.
The extension you are calling is
in DND mode.
The extension you are calling is busy.
The extension you are calling is
ringing.