Which two options describe how the Cisco Unified Communications Manager Auto-Register Phone Tool updates auto-registering IP phones? (Choose two.)
A. An administrator can schedule when auto-registered phones can dial in to the Cisco Unified Communications Manager Auto-Register Phone Tool directory number.
B. A new phone can dial in to the Cisco Unified Communications Manager Auto-Register Phone Tool directory number to manage the device user profile.
C. A new phone can dial in to the Cisco Unified Communications Manager Auto-Register Phone Tool directory number to update its MAC address in Cisco Unified Communications Manager and download the correct configuration file
D. A replacement phone can dial in to the Cisco Unified Communications Manager Auto-Register Phone Tool directory number to register with Cisco Unified Communications Manager.
E. A replacement phone can dial in to the Cisco Unified Communications Manager Auto-Register Phone Tool directory number to download the configuration for the phone it replaces.
