Which two peer-to-peer protocols can be used to set up signaling between an IP phone and call controller? (Choose two.)
A. MGCP
B. SIP
C. H.225
D. SDP
E. H.323
F. RTP
Which two peer-to-peer protocols can be used to set up signaling between an IP phone and call controller? (Choose two.)
A. MGCP
B. SIP
C. H.225
D. SDP
E. H.323
F. RTP