| 摘要 |
PROBLEM TO BE SOLVED: To store and display a start and an end time when a reception is from the outside of a service zone, to inform the user of it. SOLUTION: In the portable telephone set with display function, when an out-zone detection section 2 detects start and end of out-zone state being a reception state disabling call reception and call transmission, the information being combination of the result of detection and a time from a clock section 4 is stored in a standby history storage section 3 as out-zone state start time and out-zone state end time in pairs. Furthermore, a control section 5 displays the out-zone state start time and the out-zone state end time on a display section 6 altogether. |
