| 摘要 |
<p>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 (MOD1 to MODi) each prepared for accessing corresponding each of the plurality of radio telephone networks (N1 to Ni); monitoring means (2) for monitoring communication quality; a change-over unit (3) for selecting one of the plurality of radio modules (MOD1 to MODi) according to result of the monitoring; a telephone number register (4) for storing telephone number of the other party; a calling unit (5) for calling the telephone number registered in the telephone number register 4 by way of one of the plurality of radio modules (MOD1 to MODi) selected by said changeover unit (3); and a user interface unit (6). <IMAGE></p> |
