Ericsson 4187 Plus - Manual (Page 18)

Incoming Calls
Dialog 4187 Plus 18
Mute ring signal
If the phone rings at an inconvenient moment: É
Press to suppress the ringing.
The ring signal will become silent. The Loudspeaker key and
RINGER OFF , in the display, are flashing.
Note: When a headset is connected, both the
Loudspeaker key and the Headset key are flashing.
The display will toggle between RINGER OFF and
INCOMING CALL . When the calling party hangs up, the Mute
key lamp flashes and the display steadily shows RINGER OFF , i.e.
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. É
Press to switch off the ring signal.
The display shows RINGER OFF , and the Mute key lamp flashes
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. *27#
Dial to activate.
Special dial tone.
or. #27#
Dial to deactivate.
d
Replace the handset to finish activation/deactivation.
4455 RINGER OFF
01-15 10:38