Patent · US Expired

Automatic information and routing system for telephonic services

US5848131A · kind A · utility

142Cited by
21References
85Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 8, 1996
Grant dateDec 8, 1998
Priority date
Expiry dateFeb 8, 2016

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04Q2213/13378
  • WIPO fieldTelecommunications
  • WIPO sectorElectrical engineering

Abstract

A system and method for automatically and seamlessly routing telephone calls across a telephone network. The system includes a telephone switch having a computer, a master file and client file stored in the computer. The master file is dynamically linked to the client file at routing time to produce a selected client telephone number which is transmitted across the telephone network. The system utilizes Automatic Number Identification to identify the calling party. The master file has a plurality of records having a telephone number and a spatial key and is updated frequently. The client file has a plurality of records having a spatial key and a client telephone number. Methods of generating client file records for both radius and polygon defined service areas through an automated computer process are included in the present invention. Another embodiment of the system utilizes a location ID in place of the client telephone number of the client file. A client location file containing client-specific information on an individual service location basis is additionally utilized. The client-specific service location information may be recited to the caller via a voice response unit and …

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.