Microsoft Office Communications Server 2007 R2 (OCS 2007 R2）服务器端

http://www.microsoft.com/downloads/details.aspx?FamilyID=67a3de72-7dbd-4e0b-92a5-29d0b46009a7&DisplayLang=en

Microsoft Office Communicator 2007 R2 （OC 2007 R2）客户端

http://www.microsoft.com/downloads/details.aspx?FamilyID=535637af-d92f-41b1-bf0c-54a526a88247&DisplayLang=en

Microsoft Office Communications Server 2007 R2 Group Chat server 组消息服务器端

http://www.microsoft.com/downloads/details.aspx?FamilyID=284e27ee-28a3-4fd5-9515-b90b609cedc4&DisplayLang=en

Microsoft Office Communications Server 2007 R2, Group Chat Administration Tool 组消息管理工具

http://www.microsoft.com/downloads/details.aspx?FamilyID=8c1b742c-48a8-45ef-beaa-d6340b97bdb7&DisplayLang=en

Microsoft Office Communications Server 2007 R2 Group Chat client 组消息客户端

 http://www.microsoft.com/downloads/details.aspx?FamilyID=2ac20539-5b4f-4fd0-88b3-b343a439d576&DisplayLang=en

Microsoft Office Communications Server 2007 R2 Attendant 助理操作台，客户端

http://www.microsoft.com/downloads/details.aspx?FamilyID=3d619c8c-6540-4f2d-b78e-5b4c25780adb&DisplayLang=en

Office Communications Server 2007 R2 Attendant Training 助理操作台学习文件

http://www.microsoft.com/downloads/details.aspx?FamilyID=92ae62f2-5fb4-43da-a98c-9dff32ea97fa&DisplayLang=en

Microsoft Office Communicator Mobile 2007 R2 手机客户端

http://www.microsoft.com/downloads/details.aspx?FamilyID=93062936-f216-4d97-aa13-105a20454322&DisplayLang=en

Microsoft Unified Communications Managed API 2.0 SDK (32 bit)

 http://www.microsoft.com/downloads/details.aspx?FamilyID=768efa33-6606-4b2b-809a-6c69274621d3&DisplayLang=en

Microsoft Unified Communications Managed API 2.0 SDK (64 bit)

http://www.microsoft.com/downloads/details.aspx?FamilyID=b20967b1-6cf5-4a4b-b7ae-622653ac929f&DisplayLang=en

Microsoft Office Communications Server 2007 R2 UCMA 2.0 Speech Language Packs

http://www.microsoft.com/downloads/details.aspx?FamilyID=30e14c5a-a42c-4d4e-9513-c4b0b8d21086&DisplayLang=en