Which Cisco Unified Communication Manager tool would be the most appropriate to use to
manage phones that auto register?

A.
DRF

B.
BAT

C.
TAPS

D.
BPS

Explanation:
Link : http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/bat/8_5_1/t18taps.html
Cisco Unified Communications Manager Administration Guide 8.6(1), page-803