which International Telecommunication Union (ITU) standard provides a framework for multimedia protocols…

For the following options, which International Telecommunication Union (ITU) standard provides a framework for multimedia protocols for the transport of voice, video, and data over packet- switched networks?

A.
Weighted fair queuing (WFQ)

B.
H.323

C.
Voice over IP (VoIP)

D.
Session Initiation Protocol (SIP)