Which of these is a characteristic of the Cisco Unified Communications Manager Bulk Administration Tool in Cisco Unified Communications Manager?

A.	Cisco Unified Communications Manager Auto-Register Phone Tool is part of Bulk Administration.
B.	Cisco Unified Communications Manager BAT needs to be installed from the plug-in page.
C.	Cisco Unified Communications Manager BAT pages are available from the Serviceability page.
D.	Cisco Unified Communications Manager Auto-Register Phone Tool requires a Customer Response System.