VoIP caller authentication by voice signature continuity
US7920680B2 · kind B2 · utility
6Cited by
12References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 2008 |
| Grant date | Apr 5, 2011 |
| Priority date | — |
| Expiry date | Dec 16, 2028 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L12/66
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
There are provided methods and systems for authenticating a user. A method includes receiving a voice signature certificate corresponding to a setup portion of a Voice over Internet Protocol (VoIP) call. The VoIP call further has a voice conversation portion. The voice signature certificate includes a voice signature segment. The method further includes reproducing the voice signature segment to enable verification of voice continuity from the setup portion to the voice conversation portion. The verification is performing by comparing the voice signature segment to a user's voice during the voice conversation portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.