[This is pre-release documentation and subject to change in future releases. This topic's current status is: Milestone-Ready]

Topic Last Modified: 2010-07-18

Instant messaging (IM) and presence are the core capabilities of Microsoft Communications Server 2010, and are automatically deployed and enabled in every Communications Server 2010 installation. The following sections provide more details about IM and presence.

In This Section

Features and Functionality of IM and Presence
Planning for IM and Presence
Topologies and Components for IM and Presence
Requirements for IM and Presence



IM and Presence