The 5G-GUTI provides a clear identification of the UE without revealing the UE permanent identity.

The 5G-GUTI contains an element identifying the AMF which allocated it.

The 5G network pages an idle UE using its 5G-GUTI.

During the initial registration procedure, the AMF allocates a 5G-GUTI and sends it to the UE.

NF A acts as a service consumer and NF B acts as a service producer.

NF A includes a subscription identifier in the request message sent to NF B.

NF A includes a callback URI in the request message sent to NF B.

NF A includes event filtering criteria in the request message sent to NF B.

SDF templates are used by UE to map uplink traffic to QoS Flows.

SDF templates are used by NG-RAN to map QoS Flows to data radio bearers.

SDF templates are used by NG-RAN to map QoS Flows to N3 GTP-U tunnels.

SDF templates are used by UPF to map downlink traffic to QoS Flows.