Method of using dynamic database to improve telephone number portability
US5793857A · kind A · utility
62Cited by
26References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 1995 |
| Grant date | Aug 11, 1998 |
| Priority date | — |
| Expiry date | Sep 27, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13547
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A system for providing telephone number portability within a structurally distributed telephone system by providing an address capture database (ACDB) for local exchange carriers (LECs) wherein a new number (NN) is stored in the ACDB if the NN is a physical address served by a LEC and the NN corresponds to a dialled directory number (DN) ported into or located within the LEC.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.