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Software structure for telecommunication switching systems

  • US 5,572,727 A
  • Filed: 02/06/1995
  • Issued: 11/05/1996
  • Est. Priority Date: 11/27/1991
  • Status: Expired due to Term
First Claim
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1. A computer system containing executable program code developed with a declarative programming language, said computer system operating to provide telecommunications services, said system comprising:

  • a plurality of telecommunications hardware devices with device parameters and specifications for processing telecommunications data within said computer system;

    a plurality of objects, each object including a sequence of executable instructions with necessary device parameters and specifications for controlling one of said hardware devices;

    a plurality of device independent predicates, each predicate including a sequence of executable instructions with object parameters and specifications for invoking one or more of said objects to control the execution of a specific telecommunications function through one or more of said plurality of hardware devices; and

    one or more device-and-object independent subjects, each subject including a sequence of executable instructions each invoking one or more predicates to, in turn, invoke one or more objects to control the execution of a specific telecommunications service through associated hardware devices and allowing each subject to control telecommunication service execution without specifying object parameters or specifications for any invoked objects or any device parameters or specifications for the associated hardware devices.

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