№ files_lp_3_process_7_019942
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Specification detailing the use of NG Application Protocol messages and procedures between non-3GPP access network nodes and the AMF within the 5G system as a formal technical standard.
Year: 2022–2023
Organization: 3rd Generation Partnership Project (3GPP)
Document type: Technical Specification
Scope: Application of NGAP to non-3GPP access
Release: 17
Authors: 3GPP Technical Specification Group Radio Access Network
Target audience: Network engineers and 5G system developers
Publication date: 2022-09-03
Status: For future development work within 3GPP, not approved for implementation
References: 3GPP TS 38.413, TS 23.501, TS 23.502, TS 23.316
Content focus: Procedures and messages for NGAP over non-3GPP access
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Application of the NG Application Protocol (NGAP) to non-3GPP access (Release 17–18)
Year: 2023
Organization: 3rd Generation Partnership Project (3GPP)
Technical Group: Technical Specification Group Radio Access Network
Document Type: Technical Specification
Version: V17V18.30.0
Scope: Applicability of NGAP messages and procedures to non-3GPP access
References: 3GPP TS 38.413, 3GPP TS 23.501, 3GPP TS 23.502, 3GPP TS 23.316, 3GPP TS 24.502
Trademarks: UMTS™, 3GPP™, LTE™, GSM®
Access Points: N3IWF, TNGF, TWIF, W-AGF
Procedures: PDU Session Management, UE Context Management, Transport of NAS Messages, Interface Management, UE TNLA Binding
Status: For development purposes only, not approved for implementation
Contextual Description: Technical specification detailing the NGAP message procedures and their application to various non-3GPP access network nodes in the 5G system.
3GPP TS 38.413 V17.14.0 (2025-12) NG Application Protocol (NGAP)
Year: 2025
Region / City: Global
Topic: NGAP Protocol Specification
Document Type: Technical Specification
Organization / Institution: 3GPP
Author: 3GPP
Target Audience: Technical professionals in telecommunications
Effective Period: 2025-12
Approval Date: 2025-12
Amendment Date: None
Topics: 29413 V17230 NGAP