| 摘要 |
PROBLEM TO BE SOLVED: To provide a radio fixed subscriber device that uses a connected telephone set without provision of other special device to set the maintenance mode and sets and updates setting information of a memory remotely. SOLUTION: The radio fixed subscriber device is provided with a DTMF signal detection means 11 that detects DTMF signal sent from a telephone set 22, a current detection means 9 that detects off-hook and on-hook of a telephone set, a call tone generating means 10 that sends a call tone to the telephone set, and a storage means 14 that stores setting information or the like from the telephone set, and also with a timer A 15 that measures an off- hook period after depression of a specific code from the telephone set and a timer B 16 that measures an on-hook period after ringing after the depression of the specific code, and sets the maintenance mode by dialing from the telephone set and sets and updates setting information to the memory remotely. |
