Last Number Redialing; Line Groups - Comdial DSU II User Manual

I
Industry Standard Telephone (IST)
Analog telephone with on a basic 12 button keypad and no
advanced features. Some instruments may also include TAP
buttons and/or message lamps.
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 on the telephone (0-9, #, and *) used for dialing.
L

Last Number Redialing

Automatically dialing the last number dialed.

Line Groups

Programmers assemble and program outside lines into distinct
line groups which must be accessed by using specific dialing
codes.
September, 02
Industry Standard Telephone User's Guide
Comdial 37