| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio terminal which is adaptive to a roaming function and automatically changes a call origination special number that is different for each service area and for which a dial operation of the call origination special number by a user is not required.SOLUTION: The user of the radio terminal registers a telephone number group for each telephone directory registration information item in a telephone directory function part 103 and registers the call origination special numbers for each telephone number group and for each service area in a call origination special number management part 106. When position registration is implemented on a base station for reporting that a radio terminal 100 stays in a zone to a private branch exchange, an ID of the base station on which the position registration is implemented is stored in a base station ID storage part 105. When an operation is performed for calling a telephone number stored in the telephone directory function part 103, a call origination special number is identified from information stored in the telephone directory function part 103, the base station ID storage part 105 and the call origination special number management part 106 beforehand, and a call is originated by imparting the identified call origination special number to the telephone number.SELECTED DRAWING: Figure 2 |
