Communications protocol for switching systems

Details Communications protocol for switching systems Communications protocol for switching systems

1993-07-13

1994-07-26

Dwyer, James L.

Telephonic communications

Centralized switching system

379 94, 379102, H04M 300

Patent

active

053331893

ABSTRACT:
In a switching network including a central system and at least one end point device connected to the central system, a protocol for communicating between the central and the at least one end point device includes a plurality of signals that may be transmitted from the end point device to the central system, and a plurality of signals that may be transmitted from the central system to the end point device.

REFERENCES:
patent: 4768218 (1988-08-01), Yorita
patent: 5048078 (1991-09-01), Satomi et al.
Ericsson Review No. 2, 1982 entitled "Data Communications in MD 110" pp. 67-75, by Barnicoat et al.
Ericcson Review No. 2, 1982, entitled "Diavox Courier 700, Digital System Telephone for MD 110".
PC/Computing "How it works, Error Protocols" by Ron White, pp. 204-205, May 1990.

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