| 摘要 |
PROBLEM TO BE SOLVED: To provided a personal communication system which can control incoming from an unspecified caller as the terminal-side user desires. SOLUTION: Of the personal communication system, a terminal 103 is equipped with an input means 111 which inputs incoming acknowledgement information as well as user's identification information and an acknowledgement information sending- out means 112 which sends acknowledgement information consisting of the identification information and incoming acknowledgement information out to an exchange 101. Then an exchange 101 is equipped with a detecting means 113 which detects acknowledgement state information from the acknowledgement information from the terminal 103 by the identification information, an acknowledgement information holding means 114 which stores the acknowledgement state information corresponding to the discrimination information, a decision means 115 which decides whether or not incoming is allowed according to the acknowledgement state information corresponding to the identification information specified by the incoming request, a repeater means 116 which repeats the incoming request to the terminal 103 according to an incoming acknowledgement decision, and an absence informing means 117 which returns absence information according to a negative incoming acknowldgement decision. |
