Instruction manual

GLOSSARY
Modem Pooling
Provides shared-use conversion resources that eliminate the need for a dedicated
modem when a data module accesses, or is accessed by, an analog line or trunk.
Multi-Appearance Voice Terminal
A terminal equipped with several call appearance buttons for the same extension
number. Allows the user to handle more than one call, on that same extension number,
at the same time.
Multiplexer
A device for simultaneous transmission of two or more signals over a common transmis-
sion medium.
N
Network
An arrangement of inter- and/or intra-location circuits designed to perform specific func-
tions.
Non-Facility Associated Signaling
See FAS/NFAS.
O
Offhook
Term used for the switchhook up, or the Speakerphone turned on, or the Headset
plugged in. For multi-appearance stations, the term offhook also includes choosing a call
appearance on which to originate the call.
Off-Net
Off-Net facilities (for example, WATS, FX, or CO trunk groups) are not part of a
customer's private network but may be utilized to carry private network calls. Whenever
the call uses Off-Net facilities, it is called an Off-Net call.
Onhook
Term used for a depressed switchhook, the Speakerphone turned off, or the Headset
unplugged. Also, depression of the Disconnect button sends an onhook message, fol-
lowed by an offhook message.
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