Method for maintaining audience continuity of a communication gr

Details Method for maintaining audience continuity of a communication gr Method for maintaining audience continuity of a communication gr

1994-02-18

1996-02-13

Bost, Dwayne D.

Telecommunications

Transmitter and receiver at separate stations

455 17, 455 541, H04Q 728

Patent

active

054918359

ABSTRACT:
In a multi-site communication system (100), audience continuity of an established communication group call can be maintained by a central controller (116) in the following manner. Upon initial establishment of the call, the central controller (116) allocates a communication resource (105-108) of each site in a first set of sites (101-104) to the communication group and establishes an audience list of active communication units (111-115). The audience list is continually updated with information on newly transmitting communication units and relocation information of communication units already in the list throughout the group call. When the group call ends, the audience list is maintained for a predetermined period of time. If during this predetermined period of time, a subsequent group call is requested for the same communication group, the group call can be re-established based on the information contained in the audience list.

REFERENCES:
patent: 4646345 (1987-02-01), Zudnek et al.
patent: 4972460 (1990-11-01), Sasuta
patent: 5123110 (1992-06-01), Grube
patent: 5218354 (1993-06-01), Hess
patent: 5235631 (1993-08-01), Grube et al.
patent: 5274837 (1993-12-01), Childress et al.
patent: 5279521 (1994-01-01), Johlie et al.
patent: 5335350 (1994-08-01), Felderman et al.

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