Today, one of the topmost priorities for most organizations is to enable users to communicate and connect with others anytime quickly and easily. To meet this need and at the same time reduce costs, many organizations are now adopting Microsoft Exchange Server 2010 to take advantage of the enhanced unified messaging feature. Unified messaging provides users with flexible and powerful new ways of accessing information and increasing productivity. This Learning Snack explains how unified messaging works and also describes its architecture. In addition, it describes the voice mail integration feature of Exchange Server 2010.