Speech analysis based answer detection for IP based telephones
US6697456B2 · kind B2 · utility
16Cited by
9References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 7, 2001 |
| Grant date | Feb 24, 2004 |
| Priority date | — |
| Expiry date | Feb 22, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/271
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Speaking a predetermined phrase by a user, causes a handset to transmit this audio information to a personal computer. The personal computer is responsive to the predefined phrase to determine that the user of the handset has answered an incoming call.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.