×

GPS-assisted architecture for VoIP 9-1-1

  • US 8,280,341 B2
  • Filed: 12/16/2005
  • Issued: 10/02/2012
  • Est. Priority Date: 12/16/2005
  • Status: Active Grant
First Claim
Patent Images

1. A system comprising:

  • a network device, of an emergency service provider, configured to;

    receive, from a mobile device of a user, first Global Positioning Satellite (GPS) data independent of receiving a call from the mobile device,update location information, stored in an Automatic Location Identification (ALI) database, with the first GPS data, the location information corresponding to identification information of the mobile device,the ALI database being updated to enable at least one Public Safety Answering Point (PSAP) to provide a service, to the user at a location identified by the first GPS data, independent of a call from the mobile device,receive second GPS data and a Voice over Internet Protocol (VoIP) 9-1-1 call from the mobile device,receive, from the mobile device, the identification information,identify a Public Safety Answering Point (PSAP), that is geographically closest to the received second GPS data, out of a plurality of PSAPs,obtain a pseudo telephone number for the identified PSAP,forward, using the obtained pseudo telephone number, information associated with the second GPS data and the VoIP 9-1-1 call to the identified PSAP, andupdate, based on receiving the second GPS data and the VoIP 9-1-1 call, the location information stored in the ALI database,the location information being updated, in the ALI database, using the second GPS data.

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