Method and apparatus for a dual mode keypad permitting one-touch

Details Method and apparatus for a dual mode keypad permitting one-touch Method and apparatus for a dual mode keypad permitting one-touch

1991-02-20

1996-02-13

Hofsass, Jeffery A.

Telephonic communications

Supervisory or control line signaling

Substation originated

379356, 379354, 379 58, H04M 127

Patent

active

054917450

ABSTRACT:
A method and apparatus for one-touch recall and dialing of stored telephone or billing account numbers using only the numeric and special keys of a standard 12-key keypad. Upon momentary actuation of a numeric or special key of a standard keypad, the data input is entered into a buffer or directly dialed into a telephone network. If, however, the actuated key is actuated for more than a predetermined amount of time, a previously stored sequence of numbers is retrieved from a memory address location corresponding to the actuated key and is automatically dialed.

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