Service Handover取值有以下几种:()A.should be handed over to GSMB.should not behanded over to GSMC.shall be handed over to GSMD.shall not behanded over to GSM
Service Handover取值有以下几种:()
A.should be handed over to GSM
B.should not behanded over to GSM
C.shall be handed over to GSM
D.shall not behanded over to GSM
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Atoll的uSeR pRofile中主要对以下参数进行设置:() A.SeRviCe、teRmiNAl、CAll/houR、duRAtioN、UL/DLvolumeB.CAll/houR、duRAtioN、UL/DLvolumeC.SeRviCe、teRmiNAlD.SeRviCe、teRmiNAl、CAll/houR、duRAtioN
语音电话从3G切换到2G使用的是基于下行覆盖的切换。如果RNC没有下发3A的测量控制,那么可能是CN配置的SERVICE.HANDOVER不正确。CN下发的SERVICE.HANDOVER是否符合要求,是在__条信令消息里面查看。A、RAB、ASSIGNMENTREQUESTB、RAB、ASSIGNMENTRESPONSEC、SECURITYMODE、COMPLETED、RADIOLINKSETUPREQUEST
有几种I/O控制方式?各有何特点?