W3C specifications

VoiceXML Forum - specifications, resources, white papers

http://www.voicexml.org

VoiceXML 2.0

http://www.w3.org/TR/voicexml20

VoiceXML 1.0

http://www.w3.org/TR/voicexml

Voice-related specifications

http://www.w3.org/voice

Speech Recognition Grammar Specification for the W3C Speech Interface Framework

http://www.w3.org/TR/2001/WD-speech-grammar-20010820

JSpeech Grammar Format

http://www.w3.org/TR/jsgf

Semantic Interpretation for Speech Recognition

http://www.w3.org/TR/semantic-interpretation

Natural Language Semantics Markup Language for the Speech Interface Framework

http://www.w3.org/TR/nl-spec

Speech Synthesis Markup Language Specification

http://www.w3.org/TR/speech-synthesis

Voice Browser Call Control: CCXML

http://www.w3.org/TR/ccxml