23.0973GPPMultiple Subscriber Profile (MSP) Phase 2Release 17Stage 2TS
The MS can interrogate MSP, using USSD, to identify which profiles are provisioned and which of the provisioned profiles is the currently registered profile. The interrogate MSP operation shall contain the MSP code and will be sent to the gsmSCF using USSD. In response to a successful interrogation request, the gsmSCF shall return the profile identity and profile status for each provisioned profile. If the MSP service is not provisioned then the gsmSCF shall return the service status indicating not provisioned.
The interrogation process is shown in figure 4. The information flow for interrogation of MSP is shown in figure 3.
Figure 3: Interrogating MSP: information flow
Figure 4: Process Interrogate_MSP_gsmSCF