Network call control system
US6665394B1 · kind B1 · utility
1Cited by
3References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 16, 1999 |
| Grant date | Dec 16, 2003 |
| Priority date | — |
| Expiry date | Sep 16, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q3/0037
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A network includes a plurality of exchanges and a service station which carries out network services. Each exchange of the plurality of exchanges and the service station are connected through a call control signal line. Respective exchanges of the plurality of exchanges are connected through circuits. Each exchange of the plurality of exchanges includes a virtual-index capture processing portion which captures a virtual circuit identification index, and the exchange specifies the virtual circuit identification index and makes a call-out request to the service station.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.