Methods and Systems for Storage and Retrieval of Originating Caller Location Information in an Emergency Services System

摘要

Methods and systems for the storage and retrieval of originating caller location information in an emergency services system are disclosed. Subscriber information from a telephone service provider is received by a NG-911 service provider, the subscriber information including a subscriber telephone number and an associated subscriber address. The service provider generates geo-spatial coordinates corresponding to said subscriber address and stores the subscriber information and the corresponding geo-spatial data in a geographic information system (GIS) database, indexed at least according to said subscriber telephone number. In response to a query from a PSAP relating to an emergency service call originating from the subscriber telephone number, the NG-911 service provider queries the GIS database for the originating telephone number and returns the geo-spatial coordinates and the associated subscriber address.

主权项

1. A computer readable medium having computer-executable instructions stored thereon which, when executed by a computer, will cause the computer to perform a process for storage and retrieval of originating caller location information in an emergency services system comprising the steps of:
(a) receiving subscriber information from a telephone service provider, said subscriber information including a subscriber telephone number and an associated subscriber address located in a known geographic region; (b) generating geo-spatial coordinates corresponding to said subscriber address by:
(i) determining an approximate geographic location of said subscriber address via an automated center-line mapping process,(ii) displaying for comparison said approximate geographic location against an address point map of said known geographic region,receiving a manual selection of a particular address point as being associated with said subscriber address, and(iii) determining a set of geo-spatial coordinates corresponding to a physical location of said particular address point; (c) storing said subscriber information and said corresponding geo-spatial data in a geographic information system (GIS) database, indexed at least according to said subscriber telephone number.