×

Telephone directory information modifying apparatus

  • US 7,305,077 B2
  • Filed: 01/26/2001
  • Issued: 12/04/2007
  • Est. Priority Date: 08/11/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. An apparatus disposed in a data center managing a telephone network, the apparatus comprising:

  • a storage unit storing a first backup copy of telephone directory information received from a first subscriber identified by a first telephone number, as well as a second backup copy of telephone directory information received from a second subscriber identified by a second telephone number;

    a first searching unit, responsive to a telephone number change notification instruction requesting a change of the first telephone number to a third telephone number, searching the first backup copy to find that the second telephone number is registered therein;

    a second searching unit, responsive to detection of the second telephone number in the first backup copy, searching the second backup copy to determine whether the first telephone number is registered therein; and

    a telephone number changing unit, responsive to detection of the first telephone number in the second backup copy, changing the first telephone number in the second backup copy to the third telephone number.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×