Method of facilitating tallgroup calls in a peer communication n

Details Method of facilitating tallgroup calls in a peer communication n Method of facilitating tallgroup calls in a peer communication n

1996-04-22

1997-11-18

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 341, 455 561, 379 60, H04B 726

Patent

active

056898100

ABSTRACT:
The present invention encompasses a method of facilitating a talkgroup call throughout a communication network (100). A typical multi-system network (100) includes a plurality of communication units (122), a plurality of communication location areas (117-119), and a plurality of system controllers (110, 116). A communication unit (122) sends a request for a talkgroup call involving members of a first talkgroup to a system controller (116). The system controller (116), after receiving the talkgroup call request, determines which other communication systems in the multi-system network (100) contain members of the requested talkgroup. The system controller (116) sends a talkgroup call command to all communication systems that presently contain members of the first talkgroup, thereby facilitating the talkgroup call throughout the communications network.

REFERENCES:
patent: 5095529 (1992-03-01), Comroe
patent: 5279521 (1994-01-01), Johlie et al.
patent: 5287542 (1994-02-01), Hesse et al.
patent: 5293638 (1994-03-01), Sasuta et al.
patent: 5475683 (1995-12-01), Harrison et al.
patent: 5504804 (1996-04-01), Widmark et al.

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