Mitel SUPERCONSOLE 1000 SX-200 User Manual page 87

Reference
Hunt Group
Extensions assigned to a group with a common (pilot) telephone number
as well as their own personal extension numbers. An incoming call to a
hunt group will ring the first available extension.
LDN Keys (Listed Directory Number)
Call-handling keys which allow you to select the sequence in which you
answer calls from outside the PABX.
Macro
A macro is a series of keystrokes that you assign to a single key. Instead
of repeating the keystrokes each time you want to perform a task, you can
press the macro key to execute all the keystrokes at once.
PABX (Private Automatic Branch Exchange)
Telephone switching system for private use by a company.
Recall
A call which returns to the console after being transferred to a busy or
unanswered extension.
Software
The routines, programs, and instructions required to run the system.
Trunk
A trunk (outside line) is the external communications link between two
switching systems. This link can be between one or more telephone
systems (PABXs) or the PABX and Central Office equipment.
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