Call Pickup has been, among many others, a long established voice feature of almost any PBX. A group call pickup is a logical aggregation of voice users who have the ability to pick a call directed to any group member by dialing a special access code assigned to the group.

For example, assume that John and Mary are Lync Voice users and are members of a pickup group called SalesTeam, and the access code is #101. Mary receives a call on Lync, and her desktop phone is ringing, but she is not at her desk. John can dial #101 on his Lync endpoint and answer the call on her behalf.

Group call pickup was introduced in the February 2013 Cumulative Update. Full details on how to configure it are available at Microsoft TechNet (http://technet.microsoft.com/en-us/library/jj945640.aspx). However, that's another example of less-than-optimal integration, as leveraging this functionality will require the command line, including the SEFAutil tool...