Client applications are the tools with which end users access and use the IM, presence, and conferencing features that are made possible by Office Communications Server 2007.

Hosted Office Communications Server 2007 supports the following client applications:

• Microsoft Office Communicator 2007
  
• Microsoft Office Communicator Web Access (2007 release)
  
• Microsoft Office Communicator Mobile (2007 release)
  
• Microsoft Office Live Meeting Client
  

Microsoft Office Communicator 2007 is the recommended communications client for Office Communications Server 2007. Office Communicator 2007 exposes to end users the presence, IM, and multimodal conferencing features that are supported by Office Communications Server 2007. This includes expanded presence information and user control over who sees it, group IM based on Exchange Distribution Lists, and the addition of audio and video to IM conversations.

For more information about Office Communicator 2007, download and review Microsoft Office Communicator 2007 Deployment Guide.

Microsoft Office Communicator Web Access (2007 release) provides browser-based client access to Microsoft Office Communications Server 2007.

Accessing Communicator Web Access is as easy as typing a Web site address in a supported browser. You do not have to install additional software on your computer, which makes Communicator Web Access particularly useful if you have access to the Internet from home, the road, or a public Web kiosk.

For more information about Communicator 2007, download and review Microsoft Office Communicator Web Access (2007 release) Planning and Deployment Guide.

The 2007 version of Microsoft Office Communicator Mobile is an enterprise messaging client for mobile devices. Extending the reach of Microsoft Office Communications Server 2007, the 2007 version of Office Communicator Mobile delivers anywhere access, rich presence, and enterprise instant messaging (IM) that helps people quickly find and communicate with each other. The 2007 version of Office Communicator Mobile is designed with a similar appearance to the desktop version of Microsoft Office Communicator 2007. By taking advantage of existing infrastructure investments, the 2007 version of Office Communicator Mobile enables information workers to communicate in real time even when they are working away from their desks.

For more information about Communicator 2007, download and review Microsoft Office Communicator Mobile (2007 release) Planning and Deployment Guide.

Microsoft Office Live Meeting is an online meeting space that your organization subscribes to or that your organization hosts on its own internal servers. With Microsoft Office Live Meeting, you can meet with your colleagues online, which enables you to collaborate in real time, even over long distances. The Microsoft Office Live Meeting client enables you to connect to those meetings.

For more information about how to use Office Live Meeting client, download and review Deploying the Microsoft Office Live Meeting 2007 Client with Office Communications Server 2007.