A.2G->4G連接態(tài)重定向 B.3G->4G連接態(tài)重定向 C.2G->4G空閑態(tài)重選 D.3G->4G空閑態(tài)重選
完成A接口倒換后,BSC出現(xiàn)2992錯(cuò)誤(BTS AND TC UNSYNCHRONIZATION CLEAR CALLS ON A INTERFACE alarm),說(shuō)明A接口可能存在哪類(lèi)問(wèn)題()
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
A.基帶子系統(tǒng) B.電源子系統(tǒng) C.傳輸子系統(tǒng) D.控制子系統(tǒng)