Apparatus for driving a service function unit of a multi-functio

Details Apparatus for driving a service function unit of a multi-functio Apparatus for driving a service function unit of a multi-functio

1990-12-20

1993-04-27

Dwyer, James L.

Telephonic communications

Supervisory or control line signaling

Substation originated

379354, 340717, H04M 126

Patent

active

052069044

ABSTRACT:
In an apparatus for driving a service function unit of a multi-function telephone set, each service function is carried out by pushing one hardware type programmable key. The pushing of the programmable key is to read programmed service information stored in a memory, and to process the read service information, so that the service function is easily carried out by a single key operation by a user of the telephone set.

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