This strategic analysis is part of Frost & Sullivan’s continued coverage of the North American enterprise voice and unified messaging marketplace. This research specifically focuses on customer premise equipment (CPE) unified messaging and voice messaging solutions. Within this analysis, Frost & Sullivan has identified drivers and restraints for the market and key technology and market trends that are impacting the messaging market. It provides profiles of selected vendors and also current and forecasted revenue for the UM and total messaging market, current and forecasted shipment information for the UM market, market share analysis of messaging vendors, and strategic considerations to take into account.