Microsoft Lync Server 2013 Unleashed 12 VERIFIED
In previous Exchange UM architecture, UM Dial Plans were associated with Exchange UM servers, but with Exchange 2013 and above, any Exchange UM server can accept a call from any defined UM IP gateway. Also, previously Lync/Skype dial plans were supposed to match the names of Exchange UM dial plans, but this not a requirement anymore with Exchange 2013 and above.
microsoft lync server 2013 unleashed 12