This content is a direct excerpt of Chapter 6 from the book Microsoft Exchange Server 2013 Inside Out: Connectivity, Clients, & UM (ISBN 9780735678378). This concise ebook is offered independently of the larger book for Exchange administrators seeking specific, focused information on managing Unified Messaging. Directly excerpts Chapter 6 from the book Microsoft Exchange Server 2013 Inside Out: Connectivity, Clients, & UM Offered as concise, standalone content for Exchange professionals looking for narrowly focused reference or specific problem-solving information on managing Unified Messaging and voice-related features Written by popular author Paul Robichaux, MVP for Exchange Server