Refer to the exhibit. After migrating a Cisco IP phone to a new cluster, the phone continues to register with its old Cisco Unified Communications Manager cluster.
The Cisco IP phone status message indicates the error that is shown. What is a possible cause for this error condition?
A. The phone cannot reach its new TFTP server.
B. The phone is not provisioned correctly on the destination cluster.
C. The new TFTP server is not in the ITL file.
D. Cisco CallManager services are not running on the destination cluster.
