Nortel Networks 1000 - Manual (Page 42)

Terms you should know
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Fastbusy
A signal given when all outgoing lines are busy.
Feature display
An area that shows status information about the feature in use. It
also displays the name and status of the active session.
Fixed key
Any of the hard-labeled keys on your telephone.
Goodbye key
A fixed key used to end an active call.
Handsfree
A method of conversing with the party on the other end of the line
without lifting your handset.
Headset key
A fixed key used to answer a call using the headset.
Hold key
A fixed key used to place an active call on hold.
Information display
Any display of call activity, lists, prompts, and status of calls.
Information line
A 1-line by 24-character area that displays date and time or
application information.
Interrupted dial tone
A broken or pulsed dial tone you hear when you access some
features on your telephone.