Nortel 1230 User Manual page 177

Indicator
An LCD or an LED that indicates the status of a feature by the
flash, wink, steady on, or off.
Information display
Any display of call activity, lists, prompts, and status of calls. If the
text message exceeds the available display area, a scroll arrow
icon indicates that you must use the scroll keys to view the
remaining text.
Interrupted dial tone
A broken or pulsed dial tone that sounds when you access some
features on your IP Phone.
IM
Instant Message
IP
Internet Protocol
LCD
Liquid Crystal Display
LED
Light Emitting Diode. A semiconductor used as a visual indicator.
Message/Inbox
A fixed key on your IP Phone 1140E that connects to your voice
messaging system when the key is pressed.
Navigation keys
Keys used to scroll through menus and lists appearing on the
LCD display screen.
Terms you should know
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