Chapter 1. VoiceXML and voice services

VoiceXML is an XML document type for authoring voice-driven audio applications. VoiceXML is being used in applications such as voice portals, where automated voice services can be accessed over the phone, and non-phone based voice applications, emerging in embedded home appliances and automobiles.

One of the most common examples of voice applications, that is familiar to many of us, is the Interactive Voice Response (IVR) application: an automated service where you can call in and check your bank accounts, the status of a package, or the estimated arrival time of a flight - all without speaking to a human. VoiceXML is changing the way we interact with these and other voice applications.

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