Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-14126 specifications in series 29
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 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
TS 29.108
Application of the Radio Access Network Application Part (RANAP) on the E-interface
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.109
Generic Authentication Architecture (GAA); Zh and Zn Interfaces based on the Diameter protocol; Stage 3
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.116
Representational state transfer over xMB reference point between content provider and BM-SC
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.118
Mobility Management Entity (MME) - Visitor Location Register (VLR) SGs interface specification
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.119
GPRS Tunnelling Protocol (GTP) specification for Gateway Location Register (GLR)
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.120
Mobile Application Part (MAP) specification for Gateway Location Register (GLR)
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.122
T8 reference point for Northbound APIs
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.128
Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.139
3GPP system - fixed broadband access network interworking; Home (e)Node B - security gateway interface
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.153
Service capability exposure functionality over Ns reference point
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.154
Service capability exposure functionality over Nt reference point
Architecture
Rel-15TS5GCUpdated 2026-07-25
TS 29.155
Traffic steering control; Representational State Transfer (REST) over St reference point
Architecture
Rel-15TS5GCUpdated 2026-07-25