A.NCC B.BCC C.CID D.小區(qū)BCCH頻點(diǎn)
A.有可能會(huì)出現(xiàn)切換成功率低,話音接通率低,信令接通低 B.一定會(huì)出現(xiàn)切換成功率低,話音接通率低,信令接通低 C.對(duì)信令接通率無影響 D.對(duì)通話質(zhì)量有影響
A.107.2kb/s B.171.2kb/s C.473.6kb/s D.180kb/s