Microsoft Yaps It Up
From: Speech Technology - 05/2010 - page 14

Microsoft has selected Yap to provide speech-to-text capabilities for its
Talk to Text mobile application. Microsoft developed Talk to Text for Sprint,
allowing subscribers to speak their text and email messages. Talk to Text is
available immediately for all Blackberry devices running on the Sprint
network. The Yap application provides fully automated speech recognition via
a simple Web services interface. 

Link:
Microsoft's Yap Speech Recognition BlackBerry App
http://www.enterprisemobiletoday.com/features/otherapps/article.php/3872241/Microsofts-Yap-Speech-Recognition-BlackBerry-App.htm