Which protocol is used for communication between Cisco Unity Express and Cisco Unified Communications Manager Express?
A. H.323
B. G.711
C. MGCP
D. Q.931
E. SIP
Which protocol is used for communication between Cisco Unity Express and Cisco Unified Communications Manager Express?
A. H.323
B. G.711
C. MGCP
D. Q.931
E. SIP