Live Communications Server is an emerging technology that will be an important component of Microsoft's business solutions in the coming years; this book is the ultimate guide to LCS The expert authors cover audio and video conferencing and explain how to integrate VoIP and other telephone systems Shows readers how to secure instant messaging both within and outside of a company Explains how LCS integrates comfortably with products such as Office, Exchange Server, and Active Directory, a factor that makes LCS a must-know technology