Microsoft Office Communications Server 2007是下一代的Live Communications Server,去年夏季,微软首次宣布将在Live Communications Server中整合电话技术,发布Office Communications Server 2007和Office Communicator 2007后,微软将在其几乎所有应用软件中提供对语音服务的支持.下载:Microsoft Office Communications Server 2007 Public Beta

Office Communications Server 2007 Enterprise Edition Trial Version
Downloadable file name: OCS_EE_Eval.msi

Consists of a one or more Enterprise Edition Servers connected to a separate, shared Microsoft SQL Server database that form an Enterprise pool providing IM, conferencing, and audio-video functionality. This two-tier architecture, delivers substantial improvements in availability, scalability, and performance over the Standard Edition.

Office Communications Server 2007 Standard Edition Trial Version
Downloadable file name: OCS_SE_Eval.msi

Consists of single, standalone server together on the same computer with an SQL Server Express Edition database for storing user data and providing IM, conferencing, and audio-video functionality. Standard Edition Server is the appropriate choice in small or pilot deployments where enterprise-level capacity, availability, and performance are not required.