Telecommunications – Transmitter and receiver at separate stations – Plural transmitters or receivers
Patent
1996-06-04
1998-01-20
Pham, Chi H.
Telecommunications
Transmitter and receiver at separate stations
Plural transmitters or receivers
455413, 455521, 379 89, H04B 700, H04Q 720
Patent
active
057110115
ABSTRACT:
A dispatch radio communication system (100) that includes a dispatch processor (101) and a voice mail system (103) employs a method and apparatus for providing voice mail service in the dispatch system. The dispatch processor receives a request to communicate from a first communication unit (109), wherein the request includes a dispatch identification (ID) of a second communication unit (110) that is a target of a communication from the first communication unit. The dispatch processor then determines whether the second communication unit can participate in the communication. When the second communication unit cannot participate, the dispatch processor establishes a communication path (122, 126) between the first communication unit and a third communication unit (111) that is coupled to the voice mail system to allow a user of the first communication unit to provide a voice mail message to the voice mail system for a user of the second communication unit.
REFERENCES:
patent: 5416770 (1995-05-01), Stoner et al.
patent: 5418835 (1995-05-01), Frohman et al.
patent: 5557605 (1996-09-01), Grube et al.
patent: 5570414 (1996-10-01), Stern
Coombes Daniel J.
Lev Valy
Urs Kamala D.
Arthur Gertrude
Crilly Daniel C.
Motorola Inc.
Pham Chi H.
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