Music-on-hold can be streamed to which of the following g.711 end points being placed on hold by an IP phone registered to the Cisco CME router? (Choose all that apply).

A.
A PSTN caller.

B.
An on net VoIP endpoint.

C.
AN IP phone registered to the same Cisco CME router.

D.
An analog phone connected to an FXS port on the Cisco CME router.