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The VoiceXML Gateway

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The VoiceXML gateway, or voice portal, serves as the heart of any VoiceXML-enabling network. Rick Beasley describes the VoiceXML gateway.
This article is adapted from Voice Application Development with VoiceXML by Rick Beasley, Veta Bonnewell, Mike Farley, John O'Reilly, and Leon Squire (Sams, 2001, ISBN 0-672-32138-6).
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Introduction

The VoiceXML gateway, or voice portal, serves as the heart of any VoiceXML-enabling network. Figure 1 illustrates its component architecture. Through the portal, VoiceXML applications gain access to the users of telephony devices while providing users with text-to-speech, speech recognition, media resources, and, often, access to the Internet. Further information on the telephony aspects of the VoiceXML portal will be provided in the discussion on telephony resources. For now, we'll discuss the speech-processing features of a portal, which help to truly define a user's experience when interacting with the portal.

Figure 1Figure 1 The voice portal component architecture.

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