Microsoft Office Communications Server 2007 delivers streamlined communications for your users so they can find and communicate with the right person, right now, from the applications they use most. The Microsoft Enterprise Client Access License (CAL) Suite brings together the Microsoft products to provide your organization the newest innovations in compliance, real-time collaboration, security, communication, desktop management, and more. The Microsoft Enterprise CAL Suite provides an outstanding opportunity for customers to use their existing investments in the Microsoft core platform. MICROSOFT OPEN LICENSE BUSINESS Microsoft Open License is a software volume licensing program designed for corporate, government, charity, and academic customers who order as few as five licenses. After the initial order, customers can benefit from volume pricing for all licenses for the remainder of the term of their Open License authorization number. Open License Business offers savings on estimated retail prices by placing an initial order for five or more licenses or one server processor license. With Open License Business, customers can combine any set of Microsoft products to qualify for the five-license minimum.