×

VoIP call routing information registry including hash access mechanism

  • US 8,072,967 B2
  • Filed: 07/20/2007
  • Issued: 12/06/2011
  • Est. Priority Date: 07/20/2007
  • Status: Active Grant
First Claim
Patent Images

1. A computer-implemented method comprising:

  • computing an encrypted hash of a telephone number with a processor;

    initiating, with the processor, a first search of a registry for a matching entry that matches the encrypted hash of the telephone number, wherein the registry comprises a plurality of entries, each of the entries comprising;

    an encrypted hash of either a respective registered telephone number or a respective registered telephone number prefix; and

    data associated with either the respective registered telephone number or the respective registered telephone number prefix; and

    if none of the entries match the encrypted hash of the telephone number, then;

    determining at least one telephone number prefix from the telephone number by stripping at least one of the last digits off of the telephone number;

    computing, with the processor, each of at least one encrypted hash from a corresponding one of the at least one telephone number prefix; and

    initiating, with the processor, at least one second search of the registry for any of the entries that match the at least one encrypted hash.

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