单项选择题
A.HLR B.VLR C.SCP D.MSC E.TMSC
A.CMCC用户呼叫CMCC用户 B.CMCC用户呼叫UNICOM用户 C.CMCC用户呼叫PSTN用户 D.PSTN用户呼叫CMCC用户
A.CR SPAPREM B.CR SPAPLOC C.CR SPCLGPA D.CR SPCAREA E.CR SPTT
A.DPC=own,user=SCCP,routingindicator=0. B.DPC=foreign,user=SCCP,routingindicator=0. C.DPC=own,user=ISUP,messagetype=0. D.DPC=own,user=SCCP,routingindicator=1.
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