| 摘要 |
PROBLEM TO BE SOLVED: To provide a portable telephone set for which operation is simple to execute and an immediate response is obtained. SOLUTION: This portable telephone set 1 having an incoming call notice section 12 is provided with a storage section 9, that registers transmission reception information between a caller and a recipient, a vibration sensing section 10 that detects vibration, and a reply control section 11 that selects silence reply information from the registered information in the storage section 9, when receiving a vibration sensing signal from the vibration sensing section 10 and conducts transmission control to the caller. |
