單項選擇題于BSC6000的信號流路徑,以下說法錯誤的是()

A.語音業(yè)務(wù):BTS-GEIUB-GTNU-GEIUT-GEIUT-GTNU-GDPUC=GTNU-GEIUA-MSC
B.接口7號信令:MSC-GEIUA-GSCU-GEIUT-GEIUT-GSCU-GXPUM
C.分組業(yè)務(wù):BTS-GEIUB-GTNU-GEIUP-PCU
D.Abis接口信令:BTS-GEIUB-GSCU-GXPUM


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