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.
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5. TN NSSI Allocation Call Flow
6. TN NSSI Activation Call Flow
7. TN NSSI Deactivation Call Flow
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8. TN NSSI Termination Call Flow
