MS A shall send a REGISTER message to the network, with the Facility information element, indicating ProcessUnstructuredSS-Request. Different MMI is required (as specified in
TS 22.030) for the three different deactivation operations, although each deactivation operation uses the USSD mechanism to transport the information to the network.
MS A shall send a REGISTER message to the network, with the Facility information element, indicating ProcessUnstructuredSS-Request. Different MMI is required (as specified in
TS 22.030) for the two different interrogation operations, although each interrogation operation uses the USSD mechanism to transport the information to the network.