Patent ID: 6424945
Filing Date: 2002-07-23
Classification: G10L,H04M

Abstract:
An interactive voice response (IVR) system, comprising:a network; a server coupled to said network; a voice application accessible via said server; and a mobile terminal, wherein a call connection having a data mode and a voice mode is established between said mobile terminal and said server, including: a transceiver for establishing a wireless link between said mobile terminal and said network, wherein said transceiver is coupled to receive from said voice application a state-dependent grammar using said data mode and state-dependent voice output using said voice mode, an audio input/output (I/O) which outputs said voice output to a user and receives voice input from said user, and a speech processor for extracting valid input from said voice input based on said grammar, wherein said transceiver sends said valid input to said voice application via said data mode.