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Glossary
Analog Signal A continuously variable signal. Voice signals on telephone
lines are usually analog (i.e., transmitted electronically in a form
analogous to the spoken form). A representation of an analog signal is
a sine wave.
Attendant The “operator” of a phone system console. Usually directs
incoming calls to the proper person or department.
May also assign
outgoing lines or trunks.
The operator may be a person or an automated
system.
Automatic call distribution A system used to systematically distribute
incoming calls to a number of operators (called agents). Agents are
usually sales or service people.
Call Forwarding A service that allows a call to be directed to an extension
other than the one that was dialed. This is accomplished by the called
party programming into the phone system the extension the incoming
calls should be forwarded to.
DID Direct Inward Dialing - The capability to dial an extension (inside the
PBX system) without going through the attendant.
Digital Signal A discontinuous signal. One whose state consists of
discrete elements representing specific information. Logically, a digital
signal can be thought of as a pattern of ones and zeros representing a
specific value.
Handset the part of the telephone held in the hand. Contains a transmitter
and a receiver.
Hold Temporarily leave a phone call without disconnecting. You can
return to it at any time.
Hunt The process of a call reaching a group of lines. If the first line is
busy, it will be forwarded to the second line. If the second line is busy,
it will be forwarded to the third line, and so on.
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