Which SIP component supports both H.323 and SIP protocol architecture, and which common media streaming protocol is supported?

Which SIP component supports both H.323 and SIP protocol architecture, and which common media streaming protocol is supported?
A . SIP Gateway Manager with transport Layer Security (TLS)
B . Network Routing Service with TCP and UDP
C . Back to Back User Agent (B2BUA) with TLS
D . SIP Gateway with Real-Time Protocol (RTP)
E . SIP Redirect Server with RTP

View Answer

Answer: D