Integration of video telephony with chat and instant messaging environments
US6677976B2 · kind B2 · utility
176Cited by
9References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 28, 2002 |
| Grant date | Jan 13, 2004 |
| Priority date | — |
| Expiry date | Apr 9, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L61/4557
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
The present invention establishes a direct communication session between separate users that are engaged in active sessions in an Internet chat or instant messaging environment. Within these active sessions, a video telephony call is initiated for sending video over a public data network simultaneously with sending voice within a telephone call placed over a public telephone network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.