One of my customers has been weighing the options of using Lync Online vs Lync On-Premise. There are a lot of questions about the feature sets available between the two offerings. The Microsoft Office 365 community has posted this chart for review.
http://community.office365.com/en-us/w/lync/480.aspx
The following matrix compares features across the delivery models for Lync Server 2010 (on-premises), Lync Online, and Office Communications Online (“OC Online”). Read More →