Sync'ing is not SMDR data.
Prairiefyre software has the ability to log into the 3300's, do an XML export, and import any extensions/employees into YourSite Configuration and attach names it pulled form the 3300 to these extensions/employees as well.
If you are not Sync'ing your database, you have to enter all these remote extensions/employees into YourSite Configuration so that it can populate this info into your reports.
Am I understanding the situation correctly?