Automatic routing system for telephonic services
US5506897A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 28, 1994 |
| Grant date | Apr 9, 1996 |
| Priority date | — |
| Expiry date | Dec 28, 2014 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S379/912
- 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, in which the master file is dynamically linked with 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 field and a spatial key field and is updated frequently. The client file has a plurality of records having a spatial key field and a client telephone number. Methods of generating the client files for three client service area definitions are included in the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.