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.