| 摘要 |
PURPOSE:To register the lots of telephone numbers and functions without increasing the number of keys for a telephone set by registering plural telephone numbers with one key of a multi-function telephone set so as to retrieve a telephone number thereby making a call only with off-hook and making continuous call in the registered order. CONSTITUTION:The area of a storage device 4 is constituted so as to register the plural telephone numbers corresponding to the key of a multi-function telephone set 1, and when the key of the set 1 is depressed, the telephone number dialed next is registered in a memory device 4 by the control of a central controller 3. Further, key information, on/off information and the telephone number are transmitted to the controller 3 via a multi-function telephone set subscriber circuit 2. On the other hand, the central controller 3 applies the display control of an area number and the registration end display of the memory device 4 registered from now to the display window of the set 1 according to each operation via the circuit 2. |
