A.1Gbps B.2Gbps C.4Gbps D.6Gbps
A.SEAMLESS VOICE HANDOVER B.CIRCUIT SWITCHED SERVICES VIA UU C.COMMON A-BIT INTERFACE D.4D SCALABILITY
A.狀態(tài)由ECM-CONNECTED到ECM-IDLE B.信令和用戶(hù)面連接釋放 C.RB釋放 D.以上所有