W3C specifications
VoiceXML Forum - specifications, resources, white papers
VoiceXML 2.0
http://www.w3.org/TR/voicexml20
VoiceXML 1.0
Voice-related specifications
Speech Recognition Grammar Specification for the W3C Speech Interface Framework
http://www.w3.org/TR/2001/WD-speech-grammar-20010820
JSpeech Grammar Format
Semantic Interpretation for Speech Recognition
http://www.w3.org/TR/semantic-interpretation
Natural Language Semantics Markup Language for the Speech Interface Framework
Speech Synthesis Markup Language Specification
http://www.w3.org/TR/speech-synthesis
Voice Browser Call Control: CCXML
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