Speech recognition front end controller to voice mail systems
US6601031B1 · kind B1 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 28, 2000 |
| Grant date | Jul 29, 2003 |
| Priority date | — |
| Expiry date | Nov 12, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M2201/40
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A speech recognition system front end interface to provide a subscriber voice control over many voice mail functions. The speech recognition system converts spoken instructions into DTMF instructions for voice mail systems while allowing prompts form the voice mail system and DTMF tones from the subscriber to pass through without any interference by the speech recognition system. To accomplish these pass through functions, the speech recognition system sets up what is know as a hairpin connection between the subscriber, the speech recognition system and the voice mail system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.