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    • 16. 发明专利
    • SPEECH TIME LIMIT SERVICE SYSTEM
    • JPH07226798A
    • 1995-08-22
    • JP1807494
    • 1994-02-15
    • HITACHI LTDHITACHI MICOM SYST KK
    • KIHINOKI YASUONUNOME KOUKIKOBARI KUNIHIKONAKAGAWA SEIICHIRO
    • H04M3/42
    • PURPOSE:To attain efficient operation management by providing a means storing speech time control data corresponding to a subscriber or a subscriber group to a service control node of an intelligent network so as to allow the node to manage the speech time limit data altogether. CONSTITUTION:When a subscriber 101 makes dialing, a control system 105 of an exchange 100 recognizes a call to be a call from a speech time limit service subscriber based on the service class and uses a common line equipment 106 to transfer a request service class, a subscriber number and caller subscriber information to a service control node 107 via a common line device 106. A control system 109 of the service control node starts an external storage device 110 based on the information received from an exchange and obtains limit time information from a prescribed table. The obtained limit time information is transferred to the control system 105 via a common line communication equipment 108 of a node 107. The control system 105 monitors a call for a limit time received from the node 107 after the connection of the call by usual call processing, interrupts the call when the limit time is exceeded or sends a notice tone to the subscriber.