System and method for selecting a subsystem for message traffic

Details System and method for selecting a subsystem for message traffic System and method for selecting a subsystem for message traffic

1995-08-22

1998-01-06

Bost, Dwayne

Telephonic communications

Having light wave or ultrasonic link for speech or paging...

Including fiber optic link within telephone network

379 57, 34082544, 455 381, 370402, H04Q 710, H04Q 718, H04Q 730

Patent

active

057063311

ABSTRACT:
A system and method are shown for selecting an outbound subsystem and an inbound subsystem to be used to communicate between a subscriber unit (10) and an integrated communication system having a number of subsystems (30, 50) that are capable of operating independently. The subscriber unit (10) stores in a memory (77) for each of the different types of messages that the subscriber unit (10) can handle, a list of the subsystems that can be used to communicate the message type wherein each list is ordered according to the subscriber unit's preference for using a subsystem for outbound messages of the particular type. When the subscriber unit receives control information from the integrated system identifying a particular type of message that the system expects to communicate to the subscriber unit, the subscriber unit identifies at least one outbound subsystem in the list stored for the received message type covering the area in which the subscriber unit is located. The subscriber unit then communicates this information to the integrated subsystem using an inbound channel of the most preferred identified subsystem having one. If none of the identified subsystems includes an inbound channel the subscriber unit identifies the most preferred inbound subsystem that the subscriber unit can access regardless of message type.

REFERENCES:
patent: 5148473 (1992-09-01), Freeland et al.
patent: 5196842 (1993-03-01), Gomez et al.
patent: 5210785 (1993-05-01), Sato et al.
patent: 5315642 (1994-05-01), Fernandez
patent: 5392452 (1995-02-01), Davis

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