问题
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
答案
参考答案:B, C