| 摘要 |
PURPOSE:To receive as proxy a call number without the input of a mailbox number in case the call number is transferred automatically to an store service device in busy and the like, and to make the communication completely confidential by providing a function to manage a call number as a mailbox number, etc. CONSTITUTION:When a request for call to an exchange 3 is accepted, a line number for the called telephone number is obtained from a number correspondence table. When the number is not in busy a store service device 4 is operated, a ring tone is returned to the calling terminal, and the device 4 is called. When there is a response, the telephone number (a) to which a call is requested is informed, and the calling terminal and the device 4 are connected. On the part of the device 4, upon receiving an incoming call, the telephone number (a) is inputted, and receives as proxy when the number (a) is only a mailbox number. When as identification number is attached, whether it coincides with that registered in the mailbox or not is confirmed. In the event of coincidence, a code input from a telephone set 2 is waited for, and a processing in accordance with this code is executed upon its reception. In such a way, the interception is enabled without inputting a mailbox number, also the communication completely confidential can be made. |
