
Founded in 2000, Colla Voce Consulting is all about bringing you not only expert VUI consultation, but also the latest VUI news and "best practices".
Be sure to check out the "Recent News" articles, available from the Home Page of this site, for updates and news regarding the latest thinking about how to best serve your VUI/IVR callers.
But don't stop there! There's a wealth of other information to be found throughout the site, including the "Portfolio" section.

GUI, VUI -- Huey, Dewey, and Louie! What's the difference, why does it matter, and how does it all fit into VUI design?
A brief look at how VUIs and IVRs are designed and used a bit differently from what you may be used to…
It's not just VUIs themselves that are different --- the way they're designed and developed is different, too, and this page explains how.
About The Team
-
Mr. Prather, a founding partner of Colla Voce Consulting, also serves as Principal VUI Design Consultant. With 20 years in the VUI/IVR field, he brings a wealth of design experience in a variety of industry verticals from travel to finance to entertainment, and a passion for useful and usable VUI design....
-
Aelgyrr Sonstegard
With a background in human factors and human-computer interaction, coupled with years of experience in linguistics and cognitive theory, Mr. Sonstegard, a founding partner, contributes strong knowledge of "what works in the real world" to Colla Voce's VUI designs....