Which of the following statements are true regarding calls between local IP phones? (Choose all that apply)

A.
Voice packets are addressed directly to the Cisco IOS router.

B.
Calls between IP phones are assigned a random UDP/RTP port.

C.
There is no CPU load per call except during call setup and teardown.

D.
Voice packets are routed to the Cisco IOS router.

E.
Calls between the IP phone and router voice port are handled the same as calls from one voice port to another voice port within the router.