While Windows Messenger 5.1 Supports basic presence and IM scenarios, the recommended client for Live Communications Server 2005 and public IM connectivity is Microsoft Office Communicator 2005.

• 尽管Windows Messenger 5.；1支持基本状态和IM方案；但推荐将Microsoft Office Communicator 2005用作Live Communications Server 2005和公用IM连接的客户端。