Which two options describe how the Cisco Unified CallManager Auto-Register Phone Tool updates auto-registering IP phones? (Choose two.)

A.
A replacement phone can dial into the Cisco Unified CallManager Auto-Register Phone Tool DN to download the configuration for the phone it replaces.

B.
A new phone can dial into the Cisco Unified CallManager Auto-Register Phone Tool DN to update its MAC address in Cisco Unified CallManager and download the correct configuration file.

C.
A new phone can dial into the Cisco Unified CallManager Auto-Register Phone Tool DN to manage the device user profile.

D.
An administrator can schedule when auto-registered phones can dial into the Cisco Unified CallManager Auto-Register Phone Tool DN.

E.
A replacement phone can dial into the Cisco Unified CallManager Auto-Register Phone Tool DN to register with the Cisco Unified CallManager.