Glossary

GCA70-313

E

E&M Tie Lines

In telephony, a separate pair of leads to your station which are used by system operators for signaling and supervisory purposes.

Exclusive Hold

Only the telephone placing the call on hold can retrieve it.

Executive Override Breaking into a conversation at a busy called telephone. This intrusion is announced by several quick tone bursts over the conversation.

H

Handsfree Answer Inhibit

A telephone can be set to block voice calls sent to it over the speaker.

Hookflash

Action that occurs when the TAP button is pressed. Needed for activating host system features.

Hookswitch

The switch on a telephone which, when depressed manually or by the handset, disconnects a call.

I

IMIST

Module which allows the connection of an external device to a Comdial digital telephone.

Industry Standard Telephone (IST)

Analog telephone with only a basic 12 button keypad and no advanced features

Intercom

An internal communication system that allows you to dial another station at your office or location without connecting to the outside telephone system.

K

Keypad

Buttons ￿ through ￿, ￿ and ￿ used for dialing.

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Non-LCD Station User’s Guide

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Vertical Communications GCA70-313 Tie Lines, Exclusive Hold, Handsfree Answer Inhibit, Hookflash, Hookswitch, Intercom