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Has a slightly different feature set to the Server Version (e.g. Skype for Business Online – The Microsoft hosted Office 365 multitenant version of Skype for Business. Both editions have the same end user features. Comes in a more scalable and resilient Enterprise Edition, and a single server Standard Edition. Skype for Business Server – The “install it yourself” ISO, traditionally on-premise (though it can be hosted be hosted in dedicated instances by hosters/partners). Can refer to a Server variant or an Office 365 Online variant (see below).
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Skype for Business – The marketing name for the product for the Microsoft Unified Communications Platform, previously called Live Communications Server (LCS), then Office Communications Server (OCS), then Lync (who doesn’t like a regular rebrand ). This page is an attempt to define some key terms There is a lot of jargon thrown around in Skype for Business and UC.
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