The call flows consist of two parts. The first 4 sequence diagrams depict the overall picture of AN/CN/TN NSSI operations. They meant to provide the context for the details of TN NSSI operations. The other 4 sequence diagrams describes the details of the TN NSSI call flows.
1. RAN, CORE, TN NSSI Allocation Call Flow
2. RAN, CORE, TN NSSI Activation Call Flow
3. RAN, CORE, TN NSSI Deactivation Call Flow
4. RAN, CORE, TN NSSI Termination Call Flow
5. TN NSSI Allocation Call Flow
