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Global management of telephone directory

  • US 5,509,058 A
  • Filed: 09/10/1993
  • Issued: 04/16/1996
  • Est. Priority Date: 09/11/1992
  • Status: Expired due to Term
First Claim
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1. A method of maintaining telephone directory data in a switching system network having plural switching systems and a centralized telephone directory data management system comprising the step of:

  • (a) storing local telephone directory data in a memory contained in each of said switching systems,(b) storing a copy of said local telephone directory data of all of said switching systems in a memory contained in said management system,(c) associating telephone directory data entries of telephone directory data stored at said management system with designated groups of switching systems, and(d) downloading, from said management system, data entries associated with respective designated groups of switching systems to the switching systems in said respective designated groups.

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