Silent Ring; Do Not Disturb, Dnd - Ericsson Dialog 4187 Plus User Manual

Incoming Calls
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18
Mute ring signal
If the phone rings at an inconvenient moment:
Press to suppress the ringing.
The ring signal will become silent. The Loudspeaker key and
, in the display, are flashing.
RINGER OFF
4455
Note: When a headset is connected, both the
Loudspeaker key and the Headset key are flashing.
The display will toggle between
. When the calling party hangs up, the Mute
INCOMING CALL
key lamp flashes and the display steadily shows
the phone is set for Silent ring (see below).
Press any key to turn the ring signal on again.

Silent ring

If you do not want to be disturbed by the ring signal but still want to
be able to answer an incoming call, you can switch off the ring
signal.
Press to switch off the ring signal.
The display shows
RINGER OFF
to indicate silent ringing. The ring signal will automatically be
switched on the next time you lift the handset or press any key.

Do not disturb, DND

When you activate DND, calls to your extension are not shown.
Outgoing calls can be made as usual.
Dial to activate.
Special dial tone.
or.
Dial to deactivate.
Replace the handset to finish activation/deactivation.
RINGER OFF
01-15 10:38
RINGER OFF
, and the Mute key lamp flashes
and
, i.e.
RINGER OFF
Dialog 4187 Plus