There are currently a number of different version and flavors of the Lync and Skype for Business clients that are supported by the Hosted Lync service. To assist in comparing the different clients and their capabilities, Microsoft has provided the following TechNet article containing comparison tables for the different applications:
Reference: Lync / Skype for Business Client Comparison Tables
Modified on: Fri, 27 May, 2016 at 1:57 PM