Patent · US Expired

Speech recognition front end controller to voice mail systems

US6601031B1 · kind B1 · utility

64Cited by
16References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 28, 2000
Grant dateJul 29, 2003
Priority date
Expiry dateNov 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.