A.移动台attach附着入网
B.移动台开机
C.网络发起GPRS寻呼
D.PDP上下文激活
B、PDP上下文激活流程
C、处于PMM-IDLE状态的手机发起的RAupdate流程
D、处于PMM-IDLE状态的手机发起的Service Request流程
A.SRNS Context Request
B.Location Update Request
C.Update PDP Context Request
D.SGSN Context Request
A.createsessionrequest
B.activatepdpcontextrequest
C.attachrequest
D.createPDPcontextrequest