Telephonic communications – Audio message storage – retrieval – or synthesis
Patent
1989-12-15
1990-12-25
Ng, Jin F.
Telephonic communications
Audio message storage, retrieval, or synthesis
379 58, 379 61, 379210, 455 33, 455 56, H04M 1100, H04B 726
Patent
active
049809075
ABSTRACT:
The invention relates to a combination of a switched telecommunication network, a telepoint connected to the network and a portable radio terminal constituting part of a residential equipment or an extension to a PABX, the portable radio terminal when served by a telepoint radio transceiver instead of its residential or exchange radio transceiver uses the telepoint and the network for calling its residential base radio station or PABX and reporting serving telepoint to a location store, calls to the portable radio terminal thereafter being transferred by the residential equipment or PABX through the network to the telepoint in accordance with information in the location store, whereby the portable radio terminal or cordless telephone may be called through the network and telepoint when in proximity of a telepoint.
REFERENCES:
patent: 3906166 (1975-09-01), Cooper et al.
patent: 4658416 (1987-04-01), Tanaka
patent: 4748655 (1988-03-01), Thrower et al.
patent: 4829554 (1989-05-01), Barnes et al.
Electronics & Wireless World, "A Cordless Future", by: Richard Lambley, Dec. 1988, pp. 1198, 1199.
Akerberg Dag E.
Persson Bengt Y.
Raith Alex K.
Bost Dwayne
Ng Jin F.
Telefonaktiebolaget L M Ericsson
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