Method and apparatus for transmitting DTMF signals employing local speech recognition
US6493670B1 · kind B1 · utility
18Cited by
2References
18Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 14, 1999 |
| Grant date | Dec 10, 2002 |
| Priority date | — |
| Expiry date | Oct 14, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/271
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A method and apparatus providing a telephone user with a manner in which to send DTMF commands during a call over a communication network by use of a speech-based user interface. The user speaks one or more words corresponding to DTMF commands, and the invention performs speech recognition on the spoken words, generates corresponding DTMF signals, and transmits the DTMF signals over the network.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.