HOTSPOT
You have an Exchange Server Organization that contains four Servers.
The Servers are configured as shown in the following table.
SiteAcontains an IP Gateway that uses a Dial Plan namedDialplan1.
SiteBcontains a Lync Server 2013 Server that uses a Dial Plan named Dialplan2.
You plan to migrate all Unified Messaging (UM) functionalities to Exchange Server 2013.
You need to identify which tasks must be performed to complete the migration.
Which tasks should you identify? 
Answer: 
Explanation: