Core Network: Architecture and Signaling Procedures
6.1 Attach Procedure
6.2 Detach Procedure
6.3 Service Request Procedure
6.4 Dedicated Bearer Activation Procedure
6.5 Bearer Modification Procedure
6.6 P-GW-Initiated Bearer Deactivation Procedure
6.7 Handover Procedure
6.8 RADIUS Usage on the Gi/SGi Interface
6.9 Tracking Area Update Procedure