Vivox, Inc., an integrated voice platform for the Social Web, has announced a partnership with T-Mobile USA, Inc. Vivox’s VoiceEverywhere Service will be powering the Bobsled application for Facebook calling as part of the new Bobsled by T-Mobile brand. The Bobsled application for Facebook is the world’s first free, one-touch Facebook calling application.

Bobsled application for Facebook provides Facebook users worldwide with free, one-touch calling to their Facebook friends from a personal computer and through the social platform’s chat window.

With Vivox’s “instant on” technology, no application download is required to receive a call via the Bobsled Facebook application. Bobsled by T-Mobile users can even record and post voice messages to their friends’ Facebook wall.

“Integrated voice on Facebook is a critical part of our roadmap for Bobsled by T-Mobile and Vivox is the clear leader in this area,” said Brad Duea, senior vice president, T-Mobile USA. “Vivox is a talented and innovative company, and we look forward to a successful partnership with Vivox.”