Which device must be accessible from the public Internet in a Collaboration Edge environment?
A. Expressway-C
B. Cisco Unified Communications Manager
C. Cisco IM and P
D. Expressway-E
E. VCS Control
Which device must be accessible from the public Internet in a Collaboration Edge environment?
A. Expressway-C
B. Cisco Unified Communications Manager
C. Cisco IM and P
D. Expressway-E
E. VCS Control