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多项选择题 完成A接口倒换后,BSC出现2992错误(BTS AND TC UNSYNCHRONIZATION CLEAR CALLS ON A INTERFACE alarm),说明A接口可能存在哪类问题()

A、A interface exist crossconnect circuit

B、inconsistent CCSPCM between BSC and MSC

C、A interface exist loop circuit

D、inconsistent circuit number in circuit group between BSC and MSC

  • B,C
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