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 provide the details of the TN NSSI call flows.  

...

2. RAN, CORE, TN NSSI Activation Call Flow

Image Added

3. RAN, CORE, TN NSSI Deactivation Call Flow

Image Added

4. RAN, CORE, TN NSSI Termination Call Flow

Image Added

5. TN NSSI Allocation Call Flow

Image Added

6. TN NSSI Activation Call Flow

Image Modified

7. TN NSSI Deactivation Call Flow

Image Added

8. TN NSSI Termination Call Flow

Image Added