Provides the core Office Communications Server functionality of enterprise IM, Presence, Web conferencing, application sharing, and software-powered VoIP while allowing for these server roles to be installed on separate servers.

• 提供企业IM、状态、Web会议、应用程序共享和软件支持的VoIP的核心Office Communications Server功能,同时允许在单独的服务器上安装这些服务器角色。