7.11 S2b bearer modification with GTP on S2b

7.5 Detach and PDN Disconnection for S2c in Un-trusted Non-3GPP IP Access

7.4 Detach and PDN Disconnection for S2b

7.6 UE-initiated Connectivity to Additional PDN

7.7 Void

7.2.5 Initial Attach for emergency session (GTP on S2b)

7.3 Initial Attach Procedure for S2c in Untrusted Non-3GPP IP Access

7.2.4 Initial Attach with GTP on S2b

7.2.2 Void

7.2.1 Initial Attach with PMIPv6 on S2b