Importance

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Abstract

In order to provide a handy phone which enables a user of a radio telephone network to reopen automatically a communication disconnected because of communication quality degradation by way of another available radio telephone network with a simple configuration, a multi-modal handy phone (1) of the invention comprises a plurality of radio modules each prepared for accessing corresponding each of the plurality of radio telephone networks; monitoring means for monitoring communication quality; a change-over unit for selecting one of the plurality of radio modules according to result of the monitoring; a telephone number register for storing telephone number of the other party; a calling unit for calling the telephone number registered in the telephone number register 4 by way of one of the plurality of radio modules selected by said changeover unit; and a user interface unit.

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First Claim