what two places can this feature be assigned to the Managers phone?

Managers have asked to be able to have an extension call them back if it is busy when they try to call it.
In what two places can this feature be assigned to the Managers phone? (Choose two.)

A.
Device Settings > Softkey Template

B.
Device Settings > Default Device Profile Configuration

C.
Device Settings > Phone Button Template

D.
Device Settings > Device Profile

E.
Device Settings > Device Defaults

F.
Device Settings > Firmware Load Information