Importance

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Abstract

A portable handy phone system comprises a first radio base station connected to a telephone network for executing radio communication with portable handy phones existing in a first radio communication zone, and a second radio base station connected to the telephone network for executing radio communication with portable handy phones existing in a second radio communication zone different from the first radio communication zone. The first radio base station comprises a first radio interface section for executing radio communication with portable handy phones in the first radio communication zone, a first system-to-system interface section for communicating with the second radio base station, and a first control section. The first control section responds to an incoming call from the telephone network designated to a portable handy phone existing in the first radio communication zone, causes the designated portable handy phone to receive the incoming call through the first radio interface section, and causes the first system-to-system interface section to transmit information relating to the designated portable handy phone to the second radio base station.

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First Claim