1. Understanding Your Phone
10 ICX (International), issued October 2000 ICX-50-750
Table 1. Non-display phone features
# Feature Description
Message Waiting Indicator Indicates that you have a message.
PROG Key Used to program Flexible Function (FF) and one-
touch keys, to adjust ringer volume, and to send a
flash signal. Depending on the setup of your sys-
tem, may also be used to transfer calls.
CONF Key Used to establish conference calls and to check FF
key and one-touch features.
One-Touch Keys Used to make outside calls or to access system fea-
tures.
Flexible Function (FF)
Keys Used to access outside lines or to access system fea-
tures.
DND/CF Indicator Indicates that Do-Not-Disturb (DND) or Call For-
warding is set.
MIC Indicator Indicates that your voice is not muted (i.e., party on
the other end can hear you). Goes off when your
hands-free microphone is muted and flashes when
your handset is muted.
INT Indicator Lights when you are on a call and flashes when you
hold a call.
ON/OFF Indicator Lights when the ON/OFF key has been pressed.
FL/R Key Used to end an outside call and to either restore out-
side dial tone or switch to external dial tone status
without hanging up the receiver.
REDIAL Key Used to redial the last number dialled.
MEMORY Key Used to access speed dialling or enter account
codes.
ON/OFF Key Used to make a call without lifting the handset or to
turn the speaker on and off.
LINE Key Used to seize a free outside line.
VOLUME Key Used to adjust the level of tones, backgr ound
music, ringing, receiver volume, and display con-
trast.
HOLD Key Used to hold calls, to retrieve held calls, and to
complete FF key programming.
Microphone Used to talk to another party without using the
handset.
Speaker Outputs tones and voice at your extension.
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