Acompanyisusingamulti－sitecentralizedcallprocessingmodel.WhichfeatureensuresthattheremotesiteIPphoneswillstillhavelimitedfunctionalitygivenaWANoutage?()A.CallAdmissionControlB.TAPIC.MGCPD.SRST
题目
Acompanyisusingamulti－sitecentralizedcallprocessingmodel.WhichfeatureensuresthattheremotesiteIPphoneswillstillhavelimitedfunctionalitygivenaWANoutage?()
A.CallAdmissionControl
B.TAPI
C.MGCP
D.SRST
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参考答案和解析
参考答案：D