Automatic number assignment module selection for mobile telephon

Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network

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379 59, 379 60, 379 61, 455 331, 455 541, H04M 1100

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active

054286662

ABSTRACT:
A mobile radio-telephones having a plurality of number assignment modules ("NAM's") selects automatically one of the NAM's for use for communication. In a preferred embodiment, the mobile radio-telephone attempts to match system identification data in received control signals with system identification data stored in the NAM's, and, on encountering a match, will use the NAM containing the matched system identification for telephone communication.

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The Bell System Technical Journal, "The Cellular Concept," Jan., 1979, vol. 58, No. 1.
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Motorola, "Your Portable Connection", Jan., 1989.
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Washington Post, Aug. 10, 1990.

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