(2.16.6+)
Contact Event auditing has been extended to automatically audit changes to Disallow Editing and After Number of Days in Maintenance - Agency Setup - Miscellaneous Settings.
Contact Event Type, Description and Summary can be optionally audited. The settings for these optional items are in
Maintenance - Database Setup - Audit Items - Contact Event - Type, Contact Event - Description and Contact Event - Summary - Click to audit.
Contact Events Page