×

Identifying recycled telephone numbers

  • US 9,167,083 B2
  • Filed: 11/17/2014
  • Issued: 10/20/2015
  • Est. Priority Date: 12/11/2012
  • Status: Active Grant
First Claim
Patent Images

1. An apparatus operative in association with one or more service provider opt-in databases, comprising:

  • one or more hardware processors;

    computer memory holding computer program instructions executed by the one or more hardware processors to;

    receive one or more de-activation lists from one or more carriers;

    periodically, and for each telephone number identified on a given de-activation list, issue a request to determine a current carrier associated with that telephone number;

    when the current carrier matches an identification of a carrier that had identified the telephone number as being de-activated, identify the telephone number as being recycled; and

    for each recycled telephone number, issue to each of the one or more service provider opt-in databases an instruction to delete any opt-in data associated with the telephone number.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×