Programmable feature card

Details Programmable feature card Programmable feature card

1984-04-26

1986-12-02

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

379 94, 379237, 379284, H04Q 1104, H04M 300

Patent

active

046270469

ABSTRACT:
Programmable feature card circuitry includes: a signal processor with parallel input/output (I/O) data ports and responsive to command of the PBX call processor, signal memory, and a signal interface for converting the PBX signal format to a processor compatible format; the signal memory including program memory for storing signal processor program signals representing the programmed algorithm to be performed by the signal processor in the execution of the user selected PBX support function and including data memory for storing data signals from the PBX, the signal processor executing the stored programmed algorithm in response to the command signals from the PBX call processor.

REFERENCES:
patent: 4456790 (1984-06-01), Soyack
patent: 4506346 (1985-03-01), Bennett et al.

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