Routing control communication system between circuit switched network and internet
US6456617B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 11, 1998 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Aug 11, 2018 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2207/12
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A routing control communication system includes a circuit switched network provided with a service control information database having a telephone numbers table, an interconnection network provided with a network communication protocol and an information terminal, and a network interworking equipment provided with one terminal connected with the circuit switched network and the other terminal connected with the interconnection network. The information database is connected with the interconnection network, and the information terminal of the interconnection network is constituted so as to obtain a transferred terminal number corresponding to a called telephone number from the service control information database.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.