Method and apparatus for establishing dispatch audio communicati

Details Method and apparatus for establishing dispatch audio communicati Method and apparatus for establishing dispatch audio communicati

1993-09-15

1995-05-16

Hsu, Alpus

Multiplex communications

Wide area network

Packet switching

370 61, 370 941, 370 951, 379 58, 379 87, 455 561, H04B 714, H04B 726, H04Q 700

Patent

active

054167701

ABSTRACT:
Audio communication may be established between a plurality of communication units in a communication system that includes a dispatch switching center in the following manner. A first communication unit generates information to be distributed to a second communication unit. The dispatch switching center receives a digital packet including the information to be distributed, and ascertains an identifier associated with the second communication unit. The dispatch switching center replicates the information to be distributed, and uses the identifier to distribute the replicated information to the second communication unit.

REFERENCES:
patent: 4734907 (1988-03-01), Turner
patent: 5070499 (1991-12-01), Maher et al.
patent: 5200954 (1993-04-01), Teel, Jr. et al.
patent: 5276442 (1994-01-01), Cree et al.
patent: 5282204 (1994-01-01), Shpancer et al.
patent: 5287354 (1994-02-01), Teel, Jr. et al.
patent: 5305308 (1994-04-01), English et al.

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