A.无级 B.一级 C.两级 D.三级
A. Disconnect Forward Connection B. Initial DP C. Connect to Resource D. Establish Temporary Connection
A.SRES B.KC C.KI D.RAND
A.A5 B.A3 C.A8 D.A6
A. Play Annoucement B. Specialized Resourse Report C. Connect to Resourse D. Prompt and Collect User Information
