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Voice over internet protocol (VoIP) E911 metro street address guide (MSAG) validation

  • US 9,077,817 B2
  • Filed: 11/12/2014
  • Issued: 07/07/2015
  • Est. Priority Date: 05/27/2005
  • Status: Expired due to Fees
First Claim
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1. A method of providing location information to a requesting device, comprising:

  • receiving, at a physical server, latitude/longitude information associated with a voice-over-Internet-protocol (VoIP) caller device;

    associating, at said physical server, said latitude/longitude information with a pre-defined geographic polygon enclosing said latitude/longitude from a polygon street validation database including a plurality of pre-defined geographic polygons;

    retrieving, at said physical server, a validated street address associated with a center area point of said geographic polygon; and

    routing said validated street address associated with said geographic polygon to a public safety answering point (PSAP);

    wherein said pre-defined geographic polygon is associated with a unique validated street address.

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