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Refer to the exhibit. What are three of the basi...

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Refer to the exhibit. What are three of the basic components of a VoIP network？（）

发布日期：2020-04-13

A.software voice applications

B.multipoint control unit （MCU）

C.gatekeeper

D.call agent

E.interactive voice response （IVR） systems

F.softphones

标签： refer exhibit basic components voip

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