4 Speakerphone set and Display Speakerphone set
[MUTE]
This button disables and enables your telephone micro-
phone.
[SPKR]
For handsfree operation, press [SPKR] instead of liftin
or
replacin
the handset.
Whenever this
uide instructs you to lift or replace the
handset, you may press [SPKR] instead.
DN buttons
DN buttons are buttons associated with specific Directory
Numbers.
The first DN button is your Primary DN button, which has
the same number as your extension. The Primary DN but-
ton is used for makin
and receivin
most of your calls.
Whenever you pick up the handset, your Primary DN but-
ton, or - if it is not available - another DN button li
hts
reen.
If no DN buttons are available, no DN button li
hts, you do
not receive dial tone, and you cannot place or answer calls.
DN buttons may be pro
rammed in three different modes:
•ringing mode - the telephone rin
s and the DN button
flashes
reen when a call is received.
•flashing mode - the DN button flashes
reen when a
call is received, but there is no rin
in
.
•delayed ringing mode - a call rin
s first at another sta-
tion or
roup of stations, for a pro
rammed len
th of
time, before be
innin
to rin
at your station.
NOTE
Not all telephone sets are pro
rammed with DN
buttons. The instructions in this manual often con-
tain references to DN indicators and displays of DN
