What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?

What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?
A . Use the built-in roaming monitor built into all VoIP handsets
B . Use a protocol analyzer to capture the traffic generated when a laptop roams
C . Place a call with the handset and move around the facility to test quality during roaming
D . Use a spectrum analyzer to monitor RF activity during a VoIP call

View Answer

Answer: A