Which three of the following can be used for a live MOH feed? (Choose three)

A.
E&M analog port

B.
FXS analog port

C.
FXO analog port

D.
H323 based server

Explanation:
Note: (1)An FXO port can be used for a live feed if the port is supplied with an external third-party adapter to provide a battery feed.
(2)For a live feed from VoIP, VAD must be disabled. (3)MOH is supplied only to PSTN and VoIP G.711 or G.729 calls. Local IP phone callers hear a repeating tone on hold for reassurance that they are still connected.