| 摘要 |
PROBLEM TO BE SOLVED: To provide a mobile telephone unit easy for a user to comprehend a three-way communication service on a display and easy to modify a speech communication mode. SOLUTION: The mobile telephone unit, having a display 42 and being capable of displaying a variety of communication information sets on the above display 42, includes a connection party identification information memory means for storing connection party identification information indicative of a target connection party, and a connection party display means. When a connection state with two parties or more exists, the above connection party display means displays on the display 42 connection party identification information sets 50, 52, which are connection party identification information sets stored in the connection party identification information memory means, representing the information of the entire target connection parties being in the connection states. Also, when a connection with a connection party in the connection state is disconnected, the connection party display means deletes the connection party identification information set 52, representing the connection party being changed into a disconnection state, from the display 42. COPYRIGHT: (C)2009,JPO&INPIT
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