Video conferencing method and apparatus with improved initialization through command pruning
US6774927B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 22, 1999 |
| Grant date | Aug 10, 2004 |
| Priority date | — |
| Expiry date | Dec 22, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N7/15
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A video conference method and apparatus for pruning mode commands received from an endpoint of a video conference so as to minimize the repetitive establishment and tearing down of video, audio and data streaming channels is described. Received mode commands are not immediately processed during call establishment of a video conference, but rather, the mode commands are stored in at least one data queue until the second phase of the capabilities exchange (i.e. initialization) is complete. The received mode commands are categorized into mutually exclusive groups of mode commands based upon the functions caused by each mode command. As the system removes the mode commands from the queue for processing, the system efficiently prunes the commands by processing only a selected sub-set of the grouped mode commands and ignoring the rest.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.