The Sam Adams ComCorr Co. wants to set up multicast MOH functionality to enable the streaming of music from an MOH server to the voice interfaces of on-net and off-net callers that are placed on hold. Which type of signaling is implemented in Cisco CallManager to ensure that this can happen?

A.
Q.931

B.
H.323

C.
MGCP

D.
H.245

E.
H.232

F.
H.225