In which two scenarios would a caller who is calling into the Cisco Unity Connection general
pilot number hear the opening greeting of the voice-mail system and be prompted for a user
ID and PIN? (Choose two.)

A.
A SIP phone user will always be prompted for a user ID and PIN.

B.
An SCCP phone user will always be prompted for a user ID and PIN.

C.
subscriber who sends the calling number

D.
non-subscriber

E.
subscriber who does not send the calling number

F.
The scenario is invalid.