This deliverable recognizes companies that have excelled in the North American voice and unified messaging platform markets. These awards are based on the research service titled "North American Enterprise Voice and Unified Messaging Platform Markets" (Frost & Sullivan study N27F-62). The best practices are awarded to companies in a number of areas based on strengths that Frost & Sullivan has tracked during its research such as market leadership, revenue, technological innovation, penetration strategy, price sensitivity and other factors. The awards are based on ongoing research for Frost & Sullivan's enterprise communications subscription as well as interviews conducted in North America during the second half of 2007.