Network session management for telephony over hybrid networks
US9215254B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 31, 2007 |
| Grant date | Dec 15, 2015 |
| Priority date | — |
| Expiry date | Jan 30, 2031 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S379/90
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A communication system providing telephony communication across combined circuit switched and packet switched networks, such as a telephone network and the Internet, which are connectable to terminals, such as telephones and computers, for selective communication therebetween. The communication system includes an authorization and account control object in the packet switched network, multiple gateways between the circuit switched and packet switched networks providing controlled connectivity between those networks, and an information retrieval object in the packet switched network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.