29.1983GPPOpen Service Architecture (OSA) Application Programming Interface (API) - Part 1Release 1999TS
Figure 7-17: State Transition Diagram for Network User Location
During the signServiceAgreement a new user location interface reference is created, which is user as the initial point of contact for the application.
7.5.1 Active state
In this state, a relation between the Application and the Network User Location Service Capability Feature has been established. It allows the application to request a specific user location reports, subscribe to periodic user location reports or subscribe to triggers that generate location report when a location update occurs inside the current VLR area or when the user moves to another VLR area or both.