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Enhanced efficient telephone number portability

  • US 5,867,569 A
  • Filed: 09/27/1995
  • Issued: 02/02/1999
  • Est. Priority Date: 04/03/1995
  • Status: Expired due to Term
First Claim
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1. A method for providing telephone number portability comprising the steps of:

  • a) transmitting from an originating switching office a called telephone number to its inherent switching office destination;

    b) terminating connection between said originating switching office and said inherent switching office upon not being able to establish connection to said called telephone number;

    c) causing said originating switching office to request a new switching office location for said called telephone number; and

    d) causing said originating switching office to establish connection to said new switching office.

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