There have been quite a few updates to the SharePoint integration with LCS in July and August. You have read more on the LCS blog on these links.

https://blogs.msdn.microsoft.com/lcs/2016/08/02/july-2016-release-notes/

https://blogs.msdn.microsoft.com/lcs/2016/09/02/august-2016-release-notes/

Cheers

Lachlan