Chapter 2. VoiceXML essentials

This chapter goes beyond the introductory "Hello World" examples to describe the usage of the VoiceXML language in greater detail. In particular, this chapter will examine:

  • the various uses of the VoiceXML dialogs, audio input and output, and application control flow;

  • the VoiceXML event model and how to use events in constructing an effective VoiceXML application;

  • how VoiceXML uses grammars to interpret user input; and

  • how to build complex VoiceXML applications.

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