WhatarethreefactorsusedtodeterminetheamountofbandwidththatisrequiredforasingleVoIPcall?()A.codecB.linkspeedC.Layer2encapsulationD.packetoverhead（IP/UDP/RTP）E.linkdelayF.totalnumberofsimultaneouscallsthatareallowed
题目
WhatarethreefactorsusedtodeterminetheamountofbandwidththatisrequiredforasingleVoIPcall?()
A.codec
B.linkspeed
C.Layer2encapsulation
D.packetoverhead（IP/UDP/RTP）
E.linkdelay
F.totalnumberofsimultaneouscallsthatareallowed