Intermediate voice and DTMF detector device for improved speech recognition utilization and penetration
US6795533B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 20, 2002 |
| Grant date | Sep 21, 2004 |
| Priority date | — |
| Expiry date | Aug 20, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q1/45
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A telephone system is provided comprising a plurality of telephone devices, a call control for establishing calls between the telephone devices in response to receipt of commands, at least one Voice and DTMF detector (VDD) resource allocated to the calls between the telephone devices for (i) detecting and transmitting DTMF tones received from the telephone devices to the call control for further call processing, and for (ii) detecting and buffering voice received from the telephone devices and notifying the call control. At least one Speech Recognition Engine is also provided for receiving the voice from the Voice and DTMF detector resource upon notification of the call control and in response performing speech recognition and notifying the call control for further call processing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.