多选题Which three pieces of information are used to calculate the total bandwidth of a VoIP call？（）Athe packetization sizeBthe serialization of the interfaceCthe quantizationDthe packet rateEthe UDP overheadFthe TCP overhead
多选题
Which three pieces of information are used to calculate the total bandwidth of a VoIP call？（）
A
the packetization size
B
the serialization of the interface
C
the quantization
D
the packet rate
E
the UDP overhead
F
the TCP overhead
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