Basic phone operation – AT&T 1040 User Manual

Page 21

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Telephone operation

Basic phone operation

DO NOT DISTURB

When you activate the do not disturb (

DND)

function, you will not hear paging tones, voice
paging, or incoming call rings.

Instead, the

LINE light flashes to signal an

incoming call. If you receive an intercom call, the
[INTERCOM] light flashes, and the number of the
incoming intercom call appears on the display.

1. Press

[DO NOT DISTURB] twice to prevent

interruptions. The

DO NOT DISTURB light goes on

and the screen includes

DND.

2. Press

[DO NOT DISTURB] again to resume

normal call alerts. The

DO NOT DISTURB light

goes off and the screen no longer shows

DND.

Callers will hear very long beeps, the same tone
as if the system phone is ringing normally.