單項選擇題

對于一個正常的移動臺主叫流程,下面的信令流程先后次序正確的是()

A.OriginationMessage->CMServiceRequest->Allocation->Establish->AssignmentComplete->TchPreamble
B.OriginationMessage->CMServiceRequest->TchPreamble->Establish->AssignmentCompleteAllocation
C.OriginationMessage->CMServiceRequest->Establish->Allocation->TchPreamble->AssignmentComplete
D.OriginationMessage->CMServiceRequest->Establish->AssignmentComplete->Allocation->TchPreamble

題目列表

你可能感興趣的試題

微信掃碼免費搜題