Microsoft Office Communications Server 2007 R2, built on Active Directory and integrated with Exchange Server and Microsoft Office applications, delivers streamlined communications including software-powered VoIP, Presence, enterprise IM, and Web conferencing. You can implement these capabilities alongside your existing telephony infrastructure, while providing the operational control required.

Microsoft Office Communications Server 2007 R2 offers instant messaging (IM), presence, Web conferencing, audio/video (A/V) conferencing, and telephony solutions that can support enterprise-level collaboration requirements. Office Communications Server 2007 R2 builds on the IM, enhanced presence, on-premises conferencing, and Enterprise Voice features that are provided by Office Communications Server 2007, providing chat room as well as additional IM, conferencing, and telephony functionality, such as interactive voice response (IVR) and conferencing auto-attendant.

Office Communicator 2007 R2 is a unified communications application that helps end users be more productive by enabling them to communicate and collaborate easily with others in different locations or time zones using a range of different communication options, including instant messaging (IM), voice, desktop sharing and video. Integration with programs across the Microsoft Office system — including Word, Excel, PowerPoint, OneNote, Groove, and SharePoint — gives end users many different ways to communicate directly from the context of their task.

Supported Operating System
Windows Server 2003 R2 x64 editions, Windows Server 2003 x64 editions, Windows Server 2008, Windows Server 2008 R2