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Welcome to Microsoft Office Communications Server 2007 R2

Microsoft Office Communications Server 2007 and Microsoft Office Communications Server 2007 R2 will reach end of support on January 9, 2018. To stay supported, you will need to upgrade. For more information, see Resources to help you upgrade your Office 2007 servers and clients.

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.

In This Section

  • Getting Started
    Describes the Office Communications Server and client features that are new in this release, and provides a technical overview of many of the new server features.
  • Office Communications Server 2007 R2 Planning Guide
    Describes how to plan for a smooth, successful Office Communications Server 2007 R2 deployment. Provides planning information to help you map your organization’s requirements to the Office Communications Server features and functionality that are appropriate for your organization.
  • Migration
    Describes how to migrate to Office Communications Server 2007 R2 from previous versions of Office Communications Server.
  • Operations
    Provides step-by-step instructions for Office Communications Server 2007 R2 administrative tasks.
  • Development
    Provides high-level overviews of the wide variety of Office and unified communications SDKs and API sets available. Includes links to the documentation and resources that are hosted by the MSDN developer program.

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