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WhichstatementdescribesthedistributedcallcontrolmodelinVoIPnetworks?()
A.Thegatewayvoice-capabledeviceisconfiguredtosupportcallcontroldirectlyperformingcallsetup，callmaintenance，andcallteardown
B.Thegatewayvoice-capabledevicehasalocalcallroutingtableconfiguredthrougharoutingprotocol.
C.Thegatewayvoice-capabledevicereliesonacallagenttosupportcallcontrol.
D.Thegatewayvoice-capabledevicereliesonagatekeepertosupportcallsetup，callmaintenance，andcallteardown.
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更多 “ WhichstatementdescribesthedistributedcallcontrolmodelinVoIPnetworks?() A.Thegatewayvoice-capabledeviceisconfiguredtosupportcallcontroldirectlyperformingcallsetup，callmaintenance，andcallteardownB.Thegatewayvoice-capabledevicehasalocalcallroutingtableconfiguredthrougharoutingprotocol.C.Thegatewayvoice-capabledevicereliesonacallagenttosupportcallcontrol.D.Thegatewayvoice-capabledevicereliesonagatekeepertosupportcallsetup，callmaintenance，andcallteardown. ” 相关考题
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