H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/18
H04M 3/42 (2006.01) H04M 9/00 (2006.01)
Patent
CA 1250646
ABSTRACT - 14 - COMMUNICATION SYSTEM HAVING MULTI-MODE LINE SELECTION BUTTONS A communication system includes station sets having one or more function enable buttons and a plurality of line access buttons. The function enable buttons include the extension, transfer and send message buttons. Each line select button is associated with a communication line and with the station set associated with that line. Operation of a function enable button initiates the feature associated with that button and also changes the function of a line select button from a line access button to an auto-dial select button for dialing the station associated with the line select button.
509077
Galensky Duane
Giuliani Andrian A.
American Telephone And Telegraph Company
Kirby Eades Gale Baker
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