| 摘要 |
PURPOSE:To improve the service by providing a means receiving information relating to a subscriber number transmitted from a telephone set terminal equipment and detecting a calling subscriber number to an international exchange so as to eliminate mis-charging. CONSTITUTION:When a caller hooks off a telephone set 10 and a specific number is inputted from a PB key 11, a control section 18A stores the specific number information to a register 12 and transmits the specific number information via a PB transmitter 15. When a caller listening to a reception preparation end signal tone from an international exchange depresses a start key 16, the control section 18A allows a PB transmitter 15 to transmit an incoming subscriber number stored in the register 12 and a subscriber number of a telephone set terminal 1A stored in a storage section 14A. The international exchange detects the incoming subscriber number and the calling subscriber number, selects a prescribed international line so as to apply connection and charging to an incoming country. |
