29.1983GPPOpen Service Architecture (OSA) Application Programming Interface (API) - Part 1Release 1999TS
Figure 7-18: State Transition Diagram for User Status.
7.6.1 Active State
In this state, a relation between the Application and the User Status Service Capability Feature has been established. It allows the application to request a specific user status report or subscribe to triggers that generate status reports when the status of one of the monitored user changes.