W3C Labels VoiceXML 2.0 A Recommendation
rjray writes with news that yesterday "the W3C gave their official stamp of approval-- Technical Recommendation status-- to VoiceXML 2.0. Trade publications covering this include internetnews.com. The move also recognizes the Speech Recognition Grammar Specification (SRGS 1.0), and combines the two together under the heading of 'Speech Interface Framework.'" Here's the W3C press release.
...there's a good discussion of VoiceXML and various other accessibility enablers by Charles McCathieNevile in this presentation.
It talks quite a bit about RDF and the Semantic Web, too.
The Army reading list
I use VoiceXML for our IVR response system. IBM has an implementation, Cisco has an implementation. There are open source implementations. There are quite a few implementations actually, in very wide use.