 | Level: Intermediate Contributors: W3C 06 Feb 2007
Updated 25 Apr 2007 Voice Extensible Markup Language (VoiceXML) is an XML
application for creating audio, speech, and telephony applications.
Learn more about its features, as well as the enhancements that Version
2.1 is planning to offer.
Voice
Extensible Markup Language (VoiceXML) Version 2.0
[W3C Recommendation] is a language for creating
audio, speech, and telephony applications. It includes audio dialogs
that feature synthesized speech, digitized audio, recognition of spoken
and telephone tone dialing input, and recording of spoken input. It
seeks to bring the advantages of Web-based development and content
delivery to interactive voice response applications. VoiceXML is
part of a framework of specifications, many of which aren't mentioned
here because they're rather obscure outside of telephony industries.
VoiceXML 2.0 marks the move of VoiceXML standardization to the World
Wide Web Consortium (W3C) from the VoiceXML Forum, which still works to
promote the technology. Numerous patent claims have been made relating to
VoiceXML, several of which imply that VoiceXML users may face royalties
and licensing fees.
Voice
Extensible Markup Language (VoiceXML) 2.1
[in development] includes a few key enhancements,
such as the capability for a voice browser to retrieve XML data from the
server.
Resources
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