In which location does an administrator look to determine which subscriber the phone registers to if loses registration with the current Cisco UCM subscriber?
A. On Cisco UCM Administration Page Device > Phone > Phone Configuration page
B. On Cisco UCM Administrator Page server > Cisco UCM
C. On Cisco UCM Administrator page system > Device Pool > Cisco UCM group
D. On Cisco UCM Administrator page system > Enterprise Parameters
Correct answer is A