
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
ActionthatoccurswhentheTAPbuttonispressed.Neededforactivatinghostsystemfeatures.
Hookswitch
Theswitchonatelephonewhich,whendepressedmanuallyorbythehandset,disconnectsacall.
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.
52 Single Line Proprietary Telephone Station User’s Guide
Glossary GCA70-251
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