Exchange 2010 UM Whitepaper
Voicemail is a relatively mature technology. It is so thoroughly established in users’ daily workflows that it has become practically invisible to the organization except as an ongoing expense. Because of their origins in telephony, voicemail systems tend to exist in their own silos, managed separately from other IT systems in general, and business messaging in particular. Many fail to provide the features and ease of use that users have come to expect from other types of messaging… …The newest release, Microsoft Exchange Server 2010, delivers voicemail functionality engineered from the ground up to improve productivity while helping you reduce the cost and complexity of your voicemail system.