What is the most effective method for testing roaming in relation to 802.11 VoIP handsets?
A. Use a spectrum analyzer to monitor RF activity during a VoIP call.
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 the built-in roaming monitor built into all VoIP handsets.
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