Communication management system
US7058802B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 22, 2000 |
| Grant date | Jun 6, 2006 |
| Priority date | — |
| Expiry date | May 16, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N21/64792
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A communication session management method for providing a transmission service having a plurality of service-levels, each service-level being associated with a separate quality-of-service (QOS), the method including preparing data for transmission at one of the plurality of service-levels by uniquely associating a service-level encryption key with the one of the plurality of service-levels, encrypting the data with the service-level encryption key to form encrypted data uniquely associated with the one of the plurality of service-levels, and transmitting the encrypted data uniquely associated with the one of the plurality of service-levels to users entitled to the one of the plurality of service-levels.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.