多项选择题

A.基于PS重定向的CSFallback
B.快速（flash）CSFallback
C.基于PS切换的CSFallback
D.基于CCO/NACC的CSFallback

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A.RRC Connection Reconfiguration
B.RRC Connection Setup
C.DL Information Transfer
D.RRC Connection Reestablishment

答案：错误