Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-1414 specifications in series 34
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 34.108
Common test environments for User Equipment (UE); Conformance testing
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.109
Terminal logical test interface; Special conformance testing functions
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.121-1
User Equipment (UE) conformance specification; Radio transmission and reception (FDD); Part 1: Conformance specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.121-2
User Equipment (UE) conformance specification; Radio transmission and reception (FDD); Part 2: Implementation Conformance Statement (ICS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.123-1
User Equipment (UE) conformance specification; Part 1: Protocol conformance specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.123-2
User Equipment (UE) conformance specification; Part 2: Implementation conformance statement (ICS) proforma specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.123-3
User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.124
Electromagnetic compatibility (EMC) requirements for mobile terminals and ancillary equipment
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.131
Test Specification for C-language binding to (Universal) Subscriber Interface Module ((U)SIM) Application Programming Interface (API)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-1
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 1: Protocol conformance specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-2
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 2: Implementation Conformance Statement (ICS) specification
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-3
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.229-5
Internet Protocol (IP) multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); User Equipment (UE) conformance specification; Part 5: Protocol conformance specification using 5G System (5GS)
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26
TS 34.926
Electromagnetic compatibility (EMC); Table of international requirements for mobile terminals and ancillary equipment
Conformance Testing
Rel-15TSConformance TestingUpdated 2026-07-26