Method and apparatus for completing inbound calls in a wireless

Telephonic communications – Audio message storage – retrieval – or synthesis

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379 57, 379 58, 379 61, H04M 1100

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active

053455002

ABSTRACT:
A method and apparatus completes inbound calls for portable communication units (120) in a wireless communication system comprising portable communication units (120) and fixed communication units (102). The fixed communication unit (102) provides wireless communications over a limited coverage area (108, 110, 112) and provides coupling to a telephone system (114). The fixed communication unit (102) has at least one wireless transmission channel carrying call set-up signaling in a first mode and user communications in a second mode. The method includes in the fixed communication unit (102) the step of generating (708) more than one sequence of periodic call set-up polls on a wireless transmission channel for polling a portable communication unit (120) having an inbound call. The sequence coexists with other sequences of periodic call set-up polls being generated concurrently on the same wireless transmission channel.

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Published by the European Telecommunications Standards Institue, "CT2 Common Air Interface" Jun. 30, 1991, Version: 1.1.

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