Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Patent
1993-07-26
1994-11-22
Kuntz, Curtis
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
379 59, 379 58, 379 63, 379 93, H04M 1100
Patent
active
053675630
ABSTRACT:
A system including a portable computer with a central processing unit and associated software, and a modem with an output jack carrying data transmit (TX), data receive (RX), tip, ring, and programmable digital input/output (DIO) lines sufficient to facilitate control of a large number of alternative telephone access devices. The operation and functions of the tip, ring, TX, RX and programmable DIO lines are controlled in a preferred embodiment by software in the modem under the control of the software in the computer. In a preferred embodiment, a user operates the software in the computer to specify a type or model of telephone access device being used with the modem, and the RX, TX, tip and ring lines are rendered either operable or inoperable, and a required subset of the programmable DIO lines are caused to operate in a manner necessary to achieve interactive control of an attached telephone access device.
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Kuntz Curtis
Spectrum Information Technologies, Inc.
Woo Stella L.
LandOfFree
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