- Verify that the IUT, upon receiving an IDENTITY RESPONSE message from the UE with a correct IMSI, correctly sends an AUTHENTICATION REJECT message. The IDENTITY REQUEST message is triggered during an authentication procedure with a failed authentication (AUTHENTICATION FAILURE).
- Verify that the IUT stops re-sending an Identity REQUEST message if no Identity RESPONSE message is received on the fifth expiry of timer T3519.
Section 5.5.1.2.4: Initial registration accepted by the network
-Verify that the IUT sends a REGISTRATION ACCEPT message containing the TAI list, 5G-GUTI, and T3512 when the initial registration is accepted by the network.
-Verify that the IUT sends a REGISTRATION ACCEPT message when initial registration with SMS over NAS is accepted by the network and network allows SMS service.
