| 摘要 |
PROBLEM TO BE SOLVED: To dynamically read out subscriber data by effectively utilizing terminal equipment. SOLUTION: This device for designating subscriber's telephone is provided with a reception part 5 for receiving a signal, corresponding to the personal identification number of portable terminal equipment 6, controller 2 for instructing the write of subscriber's data corresponding to the personal identification number received by the reception part 5, subscriber's data base 3 for registering the subscriber's data according to the write instruction from the contorller 2, controller 2 for reading out subscriber's data previously registered in this subscriber's data base 3, and controller 2 for converting call originated number and call terminated number to the identification number of the portable terminal equipment. Further, the subscriber's data such as an extension number read out of the contorller 2 required for operating the portable terminal equipment 6 are downloaded to the portable terminal equipment 6. Thus, the number of pieces of portable terminal equipment 6 can be made less than the number of subscriber's data to be registered and the portable terminal equipment 6 can be acquired just as needed. |
