As administrator replaced a faulty IP phone with a new one by replacing the hardware and editing
the phone MAC address in the device configuration in Cisco Unified Communications Manager.
When the administrator tries to the save the configuration, the old MAC address still appears
under the device configuration. What is the most likely cause of this issue?
A.
The administrator does not have full access privileges in Cisco Unified Communications
Manager.
B.
The administrator must edit the new phone MAC address under the Phone Enterprise settings
page.
C.
The Cisco Unified Communications Manager needs to be enabled for autoregistration.
D.
The subscriber the phone is registered to may have database replication issues.
E.
The MAC address for the new IP phone must be configured in the publisher instead of the
subscriber.