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Global subscriber group service system

  • US 5,422,940 A
  • Filed: 04/20/1992
  • Issued: 06/06/1995
  • Est. Priority Date: 04/18/1991
  • Status: Expired due to Term
First Claim
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1. A global subscriber group service system providing high level global communication services to individual subscribers and business subscribers each making requests, the global subscriber group service system comprising:

  • local switching nodes accommodating the individual subscribers and the business subscribers and sending and receiving control messages;

    a service control node sending and receiving the control messages and centrally controlling the high level global communication services;

    a common channel signalling network, coupled to the local switching nodes and to the service control node, through which the local switching nodes and the service control node each send and receive the control messages; and

    a global subscriber group comprising members of the individual subscribers and the business subscribers,said service control node comprising;

    global subscriber group service utilization control means for controlling utilization of the high level global communication services for said global subscriber group; and

    global subscriber group service utilization type modification means for modifying use types of said high level global communication services for said global subscriber group;

    each of said local switching nodes comprising;

    global subscriber group service utilization access control means for recognizing one of the high level global communication services invoked by said global subscriber group, and for enabling the utilization of the high level global communication services for said global subscriber group by accessing said global subscriber group utilization control means in said service control node; and

    customer access control means for changing attributes of a subscriber line dynamically and temporarily, and for accessing said global subscriber group service utilization type modification means in said service control node, in response to one of the requests made by one of the individual subscribers and the business subscribers accommodated by one of said local switching nodes;

    wherein one of the high level global communication services provided to the global subscriber group is utilized by accessing from said global subscriber group service utilization access control means in one of said local switching nodes to the global subscriber group service utilization control means in said service control node; and

    modification of a utilization type of one of the high level global communication services provided to the global subscriber group is performed by accessing said global subscriber group service utilization type modification means in said service control node through the customer access control means from one of the individual subscribers and the business subscribers accommodated by the one of said local switching nodes.

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