| 摘要 |
PROBLEM TO BE SOLVED: To reduce a speech charge billed to a caller when an incoming call arrives during absence of a user. SOLUTION: A control unit 2 stores a caller number received through a telephone line 8 to a memory 3 when the incoming call adopting the caller number notice system, then interrupts the incoming call, and dials a notice destination telephone number set to a function key 5 to inform a user about the caller number stored in the memory 3.
|
