A.24
B.14
C.8
D.16

A.SRES
B.KC
C.KI
D.RAND

A. Disconnect Forward Connection
B. Initial DP
C. Connect to Resource
D. Establish Temporary Connection

A. Play Annoucement
B. Specialized Resourse Report
C. Connect to Resourse
D. Prompt and Collect User Information

A. Collected User Information
B. Request Report BCSM Event
C. Event Report BCSM
D. Initiate DP

A. Collected User Information
B. Continue
C. Connect to Resourse
D. Initiate DP

A. Request Status Report
B. Request Report BCSM Event
C. Connect to Resourse
D. Event Report BCSM

A.IAM、SAO、SAO、ACM、ANC、CLF、RLG
B.IAM、STB、CLF、RLG
C.IAM、SAO、SAO、ACM、ANC、CBK、CLF、RLG
D.IAM、SAO、SAO、ACM、ANN、CLF、RLG

A.IAI、ACM、ANC、CLF、RLG
B.IAM、STB、CLF、RLG
C.IAM、SAO（后发地址信号）、SAO（后发地址信号）、ACM、CLF、RLG
D.IAI、LOS、CLF、RLG

A.IAI、ACM、ANC、CLF、RLG
B.IAM、STB、CLF、RLG
C.IAM、SAO、SAO、SST、CLF、RLG
D.IAI（TUP中的初始地址信息）、LOS、CLF（前项清除信号）、RLG（释放信号）

A.13Kbit/s 
B.16Kbit/s 
C.64Kbit/s 
D.2Mkbit/s