ETSI TS 129 231 PDF

Published Date: 07/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 16.0.0 Release 16)

Published Date: 07/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 15.0.0 Release 15)

Published Date: 04/01/2017

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 14.0.0 Release 14)

Published Date: 10/01/2012

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 11.0.0 Release 11)

Published Date: 04/01/2011

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 10.0.0 Release 10)

Published Date: 04/01/2010

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 9.1.0 Release 9)

Published Date: 04/01/2010

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3 (3GPP TS 29.231 version 8.4.0 Release 8)

Published Date: 09/01/2000

Digital cellular telecommunications system (Phase 2+) (GSM); GSM Cordless Telephony System (CTS), Phase 1; Lower Layers of the CTS Radio Interface; Stage 2 (GSM 03.52 version 8.0.1 Release 1999)

Published Date: 08/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Telecommunication management;Performance Management (PM);Concept and requirements (3GPP TS 32.401 version 16.0.0 Release 16)

Published Date: 02/01/2019

Conformity assessment - Requirements for bodies providing audit and certification of management systems - Part 11: Competence requirements for auditing and certification of facility management (FM) management systems

Published Date: 01/18/2022

Information technology - Service management - Part 5: Implementation guidance for ISO/IEC 20000-1

Published Date: 06/22/2021

Identification cards - Transport layer topologies - Configuration for HCI/HCP interchange

Published Date: 04/26/2021

Information technology - Specification of DRM technology for digital publications - Part 3: Device key-based protection

Published Date: 02/01/2019

Information technology - Security techniques - Guidelines for the assessment of information security controls

Published Date: 01/29/2021

Information technology — Cybersecurity — Overview and concepts