NEC NEAX 2000 IVS User Manual page 5

CENTRAL OFFICE CALL
A call sent to a business from the external network.
LOOP KEY
Keys on the console that are designated to ring
and flash when a call is sent to the console.
These calls are usually from the central office.
The term "loop" refers to the wires that run
from a central office to a customer site.
2000
®
NEAX IVS
The entire NEC telephone system, including
the system' s central processor, lines, telephones
and the console.
STATION
A telephone that is part of the NEAX
and has an extension number assigned. Calls
from a station are considered internal calls for
the purposes of this guide.
TRUNK
A telephone line that connects a customer
telephone system to the external telephone
network.
2000
IVS
3