Internet protocol video telephony with carrier grade voice
US9204092B2 · kind B2 · utility
0Cited by
1References
30Claims
0Family size
Assignee
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Key dates
| Filing date | Dec 30, 2013 |
| Grant date | Dec 1, 2015 |
| Priority date | — |
| Expiry date | Mar 18, 2034 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04W48/18
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A first user device establishes a video telephony session with a second user device over a best effort network. The voice quality for the video telephony session is upgraded by establishing a voice call with the second user device over a telephony network providing a quality of service guarantee for the voice call, and coupling the voice call over the telephony network with the video telephony session.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.