Vertical Communications DSU II - Manual (Page 54)

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
0
through
9
,
*
and
#
used for dialing.
L
Last Number Redialing
Automatically dialing the last number dialed.
LCD
Liquid crystal display; the alphanumeric display of several Comdial Digital Telephone models.
Line Groups
Programmers assemble and program outside lines into distinct line groups which users must dial
a certain code to access.
48 Single Line Proprietary Telephone Station User’s Guide
Glossary GCA70-246