VoiceXML 2.1 Is a Proposed Recommendation
2007-04-25: W3C is pleased to announce the advancement of Voice Extensible Markup Language (VoiceXML) 2.1 to Proposed Recommendation. Comments are welcome through 25 May. Fully backwards-compatible with VoiceXML 2.0, version 2.1 standardizes eight additional features implemented by VoiceXML platforms: data, disconnect, grammar, foreach, mark, property, script, and transfer. Visit the Voice Browser home page. (Permalink)
Read more at: http://www.w3.org/News/2007#item78.