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Definitive VoiceXML™ by David Cuddihy, Adam Hocek

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1.2. What is VoiceXML?

VoiceXML is an open standard markup language based on XML (Extensible Markup Language).

VoiceXML is used to define voice dialogs; VoiceXML is to voice dialogs what HTML is to graphical dialogs. The specification is essential to making Internet content and information accessible via voice and phone.

1.2.1. History

VoiceXML represents combined contributions of AT&T, Lucent, Motorola, and IBM. AT&T (and Lucent) started work on Phone Markup Language, PML, back in 1995. Motorola had another markup language, VoxML, which was first released in October 1998. In February 1999, IBM joined the other three companies and contributed its SpeechML technology. Following this, in March 1999 the W3C VoiceXML Forum was formed.

The first ...

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