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Telecommunication disaster plan

  • US 5,222,128 A
  • Filed: 07/26/1990
  • Issued: 06/22/1993
  • Est. Priority Date: 07/26/1990
  • Status: Expired due to Term
First Claim
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1. A telephone switching system comprising:

  • a routing database for selectively storing first or second numbers for first or second destinations, respectively, said first numbers being normally stored in said database for routing incoming calls to the first destinations identified thereby;

    processor means, operative under the control of a first program and comprising file means for storing data files and responsive to messages receivable from a control console by said processor means, for producing and storing in said file means a message file of recent change messages comprising said second numbers for said second destinations;

    said processor means, operative under the control of a second program, for storing an executable file of data, said executable file produced from said message file for rerouting calls to second destinations identified thereby when said first destinations are designated nonfunctional; and

    said processor means, operative under the control of a third program, for bulk substituting said second numbers for said second destinations for said first numbers for said first destinations in said routing database in response to receiving an indication that said first destinations are becoming nonfunctional, by executing said executable file;

    wherein said processor means under the control of said first program is responsive to a request to execute programs at a priority level, and to display a menu at said control console, and responsive to a selection of an item on said menu, for executing a UNIX process for prompting for input data, for checking said input data and for binding input data for a disaster plan into a message file.

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