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Live Communications Server 2005 (LCS 2005), codenamed Vienna, is the second version of a SIP based instant messaging and presence server after Live Communications Server 2003. LCS 2005 was first released in 2005, and was updated with new features with Service Pack 1 in 2006. LCS 2005 has been superseded by Microsoft Office Communications Server 2007. ==Overview== This product allows SIP clients to exchange IM's and presence using the SIMPLE protocol. The client also allows two clients to set up audio/video sessions, application sharing, and file transfer sessions. The product was released in two editions, Standard Edition and Enterprise Edition. The Standard Edition uses a Microsoft SQL Server Desktop Engine (MSDE) (included with the product) to store configuration and user data. Enterprise Edition uses a full version of Microsoft SQL Server (purchased separately). New features to this version compared to the 2003 release is the ability to leverage SQL and remote user access. Presence? Presence is conveyed as levels of availability to communicate. Levels of presence support by LCS: *Online *Busy *Do not disturb *Be right back *Away *In a Meeting These presence levels are controlled manually and automatically. Automatic presence changes can be triggered by the following events: *Locking the workstation -> Away *Screen save launches -> Away *User does not touch keyboard or mouse for a configured time -> Away *User is in full screen mode -> Do not disturb *A user is busy, according to the user's calendar on the Microsoft Exchange Server -> In a meeting 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Live Communications Server 2005」の詳細全文を読む スポンサード リンク
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