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Interesting numerous VXML examples from the book "Definitive VXML"
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The ECMAScript language that is used by VXML to provide client-side scripting capabilities. Compact profile ECMA-367 is used within SRGS grammars to support semantic interpretation.
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An index of VXML resources and events maintained by Ken Rehor, the "principal founder of the VoiceXML Forum".
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VoiceXML Resources including conferences, articles, news, development tools, market research, technology, tutorials.
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The specifications which describes how tags within SRGS grammars may be inserted to support basic post-processing or full semantic interpretation. This is then used by VXML to support advanced features such as mixed initiative.
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The W3C specifications used by VXML to enable speech recognition
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The W3C specifications used by VXML to provide speech synthesis.
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WebReference.com's tutorial on VoiceXML, entitled "Tellme More."
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The upcoming call control language for more elaborate control than VXML transfer. CCXML uses VXML to specify dialogs with connected call parties.
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Pointer to the latest 2.0 specification including new errata published by the W3C consortium.
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The pointer to the latest 2.1 draft specifications including errata. Version 2.1 is a minor refinement of 2.0 with features that are simple, already implemented by some vendors, and not already available within 2.0 version.
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Official note specification; designed for creating audio dialogs that feature synthesized speech, digitized audio, recognition of spoken and DTMF key input, recording of spoken input, telephony, and mixed-initiative conversations. (W3C Note 05 May 2000)
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Voice-technology related tutorials and articles including introduction to VXML, natural vs directed dialogs, SRGS and CCXML introductions
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Organization dedicated to promoting VXML. Main activities include developer and platform certifications, education (tutorials and newsletters), and tools fostering. Delegates VXML standardisation to W3C. Hosted by IEEE-ISTO.
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Italian site which regroups the VoiceXML users. Includes tutorials, articles and links to VXML resources (in Italian and in english).
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VoiceXml user group at Yahoo. Includes discussions and experiences with VoiceXML syntax and applications.
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A nice VXML tutorial provided by Dave Raggett to the W3C. A great introduction to VXML with code samples.
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Portal of the activity of the W3C Voice Browser Working Group including public mailing list, links to current status, work under development, links to drafts and specifications, FAQs.
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XHTML+Voice profile is designed for Web clients that support visual and spoken interaction.