Which IP telephony component supports VoIP, PoE, and QoS?
A. client endpoints
B. voice-enabled infrastructure
C. Cisco Unified Communications Manager
D. Cisco Unified Contact Center
Which IP telephony component supports VoIP, PoE, and QoS?
A. client endpoints
B. voice-enabled infrastructure
C. Cisco Unified Communications Manager
D. Cisco Unified Contact Center