Method of invoking and canceling voice or data service from a mo

Details Method of invoking and canceling voice or data service from a mo Method of invoking and canceling voice or data service from a mo

1993-11-15

1996-01-23

Urban, Edward F.

Telecommunications

Transmitter and receiver at separate stations

Single message via plural carrier wave transmission

455 331, 379 59, 379 93, 379100, H04B 100

Patent

active

054871751

ABSTRACT:
A method of invoking and canceling voice and data service between a mobile unit and a base station. Using a standard telephone system, the connection for a voice service and a data service is the same. With the introduction of the digital wireless link, the voice connection and the data connection are different. Therefore new dialing commands which indicate the intent of the connection are created. These commands can also be used to designate the intent of the call from a mobile unit capable of data and voice service but not capable of simultaneous voice and data service. They can also be used to invoke simultaneous voice and data services.

REFERENCES:
patent: 4675863 (1987-06-01), Paneth et al.
patent: 4811420 (1989-03-01), Avis et al.
patent: 4817089 (1989-03-01), Paneth et al.
patent: 4912705 (1990-03-01), Paneth et al.
patent: 5121391 (1992-06-01), Paneth et al.

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