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
出自:无线电调试工