Layer 1
System architecture & procedures / Stage 2 orientation
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-15Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15PDU Session lifecycle, policy/QoS, SMF services and user-plane realization.
Layer 1
System architecture for the 5G System (5GS)
S2 · Rel-15Procedures for the 5G System (5GS)
S2 · Rel-15Policy and charging control framework for the 5G System (5GS); Stage 2
S2 · Rel-15Layer 2
Non-Access-Stratum (NAS) protocol for 5G System (5GS); Stage 3
C1 · Rel-15Layer 3
5G System; Session Management Services; Stage 3
C4 · Rel-15General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)
C4 · Rel-8Layer 4
NG-RAN; NG Application Protocol (NGAP)
R3 · Rel-15Primary feature evidence
The reviewed topic source is not an indexed Work Item record. The source link above remains the primary evidence anchor.
Connected work
These Work Items share one or more mapped specifications. Atlas does not automatically claim that every connected Work Item defines this feature.
Cross-spec traceability
23.502stage realization of23.50123.503policy for23.50124.501procedure component23.50229.502interface specification23.50238.413procedure component23.50229.281user plane for23.50124.501stage3 realization of23.50129.502session service for23.501Primary WI evolution
No indexed CRs are linked to the primary Work Item at or before this release.
Rel-20 context
Context only: these CRs target mapped specifications in Rel-20; they are not automatically attributed to the feature.
Support of Ethernet type of BH PDU Session for MWAB
approved3GPP CR ↗Inclusion of Forbidden EPS Areas in mobility restriction for NR to LTE mobility
approved3GPP CR ↗Providing per-subscriber Allowed MAC addresses from UDM
approved3GPP CR ↗Support of allowed MAC addresses in SM subscription data in UDM
approved3GPP CR ↗Identification of INS case and hosting operator
approved3GPP CR ↗PCRT update to identify Hosting Network in case of INS
approved3GPP CR ↗Enhance the registration procedure to identify INS case and hosting operator
approved3GPP CR ↗PCF service update to identify Hosting Network in case of INS
approved3GPP CR ↗Enhance the PDU session procedure to support the INS for disaster condition
approved3GPP CR ↗Enhance the PDU session procedure and mobility procedures to identify INS case and hosting operator
approved3GPP CR ↗Enhance the registration procedure to support the INS for disaster condition
approved3GPP CR ↗Introducing NSSAA over EPC
approved3GPP CR ↗On introducing NSSAA over EPC
approved3GPP CR ↗Indirect Network Sharing for disaster condition
approved3GPP CR ↗Removal of editor's notes related to VFL server registration
approved3GPP CR ↗Candidate expansion · review required
Inferred only. These records are not part of the reviewed semantic catalogue. The ranking score orders structural evidence; it is not a probability or confidence value, and there is no automatic promotion action.
5G System; Unified Data Management Services; Stage 3
C4 · Rel-155G System; Network Exposure Function Northbound APIs; Stage 3
C3 · Rel-155G System; Common Data Types for Service Based Interfaces; Stage 3
C4 · Rel-155G System; Access and Mobility Management Services; Stage 3
C4 · Rel-155G System; Network function repository services; Stage 3
C4 · Rel-155G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3
C3 · Rel-153GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3
C4 · Rel-85G System; Session Management Policy Control Service; Stage 3
C3 · Rel-15Non-Access-Stratum (NAS) protocol for Evolved Packet System (EPS); Stage 3
C1 · Rel-8Interface between the Control Plane and the User Plane nodes
C4 · Rel-14Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode
C1 · Rel-4AT command set for User Equipment (UE)
C1 · Rel-4Traceability limits