Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-141,188 specifications
Key features: First 5G NR specifications, NSA and SA architectures
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 28.731
Telecommunication management; Transport Network (TN) interface Network Resource Model (NRM) Integration Reference Point (IRP); Requirements
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.732
Telecommunication management; Transport Network (TN) interface Network Resource Model (NRM) Integration Reference Point (IRP); Information Service (IS)
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.733
Telecommunication management; Transport Network (TN) interface Network Resource Model (NRM) Integration Reference Point (IRP); Solution Set (SS) definitions
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.734
Telecommunication management; Signalling Transport Network (STN) interface Network Resource Model (NRM) Integration Reference Point (IRP); Requirements
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.735
Telecommunication management; Signalling Transport Network (STN) interface Network Resource Model (NRM) Integration Reference Point (IRP); Information Service (IS)
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.736
Telecommunication management; Signalling Transport Network (STN) interface Network Resource Model (NRM) Integration Reference Point (IRP); Solution Set (SS) definitions
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.751
Telecommunication management; Subscription Management (SuM) Network Resource Model (NRM) Integration Reference Point (IRP); Requirements
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.752
Telecommunication management; Subscription Management (SuM) Network Resource Model (NRM) Integration Reference Point (IRP); Information Service (IS)
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.753
Telecommunication management; Subscription Management (SuM) Network Resource Model (NRM) Integration Reference Point (IRP); Solution Set (SS) definitions
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.800
Study on management and orchestration architecture of next generation networks and services
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.801
Telecommunication management;Study on management and orchestration of network slicing for next generation network
Management
Rel-15TSNetwork SlicingUpdated 2026-07-26
TS 28.802
Telecommunication management;Study on management aspects of next generation network architecture and features
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 29.002
Mobile Application Part (MAP) specification
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.007
General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.010
Information element mapping between Mobile Station - Base Station System (MS - BSS) and Base Station System - Mobile-services Switching Centre (BSS - MSC); Signalling Procedures and the Mobile Application Part (MAP)
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.011
Signalling Interworking for supplementary services
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.013
Signalling interworking between ISDN supplementary services; Application Service Element (ASE) and Mobile Application Part (MAP) protocols
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.061
Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.078
Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase X; CAMEL Application Part (CAP) specification
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.079
Optimal media routeing within the IP Multimedia Subsystem (IMS); Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25