Which two choices best describe call signaling and media flows?
Which two choices best describe call signaling and media flows? (Choose two.)
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
Correct Answer: AB