AT&T System 85 User Manual
Page 136
CHAPTER 9. GLOSSARY
Intercept Tone
An alternating high and low tone— indicates a dialing error or denial of the service requested.
LIne
Single-line—the family of telephones/voice terminals that supports only one call at a time
Multi-appearance —the family of voice terminals on which more than one call, typically three,
can be handled at the same time on the same extension number. Only one call at a time can
have a voice connection; others can be ringing or on hold.
Lockout (Attendant)
A feature that prevents the attendant from reentering an established 2-party call held on the
console.
Loop
A voice circuit associated with an appearance button on the console; used by the attendant
to process or originate calls.
Main Location
A centralized area where attendants answer calls routed from branch locations.
Node
A local or distant system connected in a Distributed Communication System (DCS)
environment.
Off-Hook
A term signifying that the telephone/voice terminal handset has been lifted.
Off-Hook Queuing
A term that describes when a caller stays on the line until an outgoing trunk becomes
available.
On-Hook
A term signifying that the
switchhook (hung up).
telephone/voice terminal handset has been placed on the
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