Instant Messaging, Presence, and Conferencing

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.

Topic Last Modified: 2013-06-26

Effective and efficient communication in an organization requires collaboration capabilities that facilitate real-time communication between individual users. Microsoft unified communications uses the Office Communications Server 2007 platform to combine voice, IM, enhanced presence, conferencing, and e-mail into a familiar, integrated communications experience.