Which task resolves this issue?

exams 210-060 210-060 exam 0 Comments

A voice engineer is moving an IP phone from one secure Cisco Unified Communications Manager cluster to another. The phones are not registering to the new cluster.

Which task resolves this issue?
A . reset the phones
B . restart the phones
C . delete the CTL file from each phone manually
D . use the Bulk Administration Tool to import the phones

Answer: C