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Exam 210-060 Question id=1255 Characteristics of a Cisco Unified Communications Solution

Which two choices best describe call signaling and media flows?

A. A process used to connect two parties calling
B. Audio or video or both transferred between two parties during conversation
C. Protocol for end-to-end users
D. A flow of audio and instant messaging
E. All call control signals being delivered through a channel
F. Data telephony, over a data network such as the Internet