What port numbers are generally used by calls placed between IP telephony devices?
A.
TCP port numbers greater than 5060
B.
UDP port numbers between 2427 and 2600
C.
TCP port numbers between 1720 and 1790
D.
UDP port numbers greater than 16384
Explanation:
Calls placed between IP telephony devices generally use dynamically assigned UDP port numbers greater than 16384
Reference: Cisco Courseware page 9-76