User guide
Reference
87
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.










