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.

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.

VoiceXml user group at Yahoo. Includes discussions and experiences with VoiceXML syntax and applications.

WebReference.com's tutorial on VoiceXML, entitled "Tellme More."

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.

A nice VXML tutorial provided by Dave Raggett to the W3C. A great introduction to VXML with code samples.

XHTML+Voice profile is designed for Web clients that support visual and spoken interaction.