This year will see the release of the new Skype for Business Server 2019, which will become the latest On Premise version of the solution. Skype for BusinessIt follows the 2015 version and Lync 2013. Microsoft says that customers using the server Skype for Business Server based server will be offered standard support until at least the end of calendar year 2023 if they upgrade to a new version of the software Skype for Business Server 2019. Depending on market trends and therefore demand, Microsoft will re-release a new Server On-Premise version by 2023. This new 2019 version can be purchased as support -alone or with Office 2019, Exchange 2019 and SharePoint 2019. Microsoft says the Skype Enterprise Server 2019 release will also include enhancements for hybrid deployments, such as the common management portal, converged user authentication and access to cloud -based calling services and call queues - where both site-based and cloud services are used.