Microsoft Office Live Communications Server 2003 provides real-time communications platform allowing for voice, video, and instant messaging.

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Microsoft Office Live Communications Server 2003 (LCS), provided many capabilities that were notably absent from the company's earlier Exchange IM solution, including encryption, logging, and standards-based protocols. While LCS delivers a compelling glimpse of the future of corporate IM, we expect it will truly come into its own only after companies roll out Windows Server 2003 and the Office 2003 suite.

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• Live Communications Server 2005