Which two signaling protocols does Cisco Unified Communication Manager support for the Cisco IP phones? (Choose two)
A. SIP
B. H.323
C. MGCP
D. RTP
E. SCCP
Which two signaling protocols does Cisco Unified Communication Manager support for the Cisco IP phones? (Choose two)
A. SIP
B. H.323
C. MGCP
D. RTP
E. SCCP