ETSI TS 123 279 PDF

Published Date: 07/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 16.0.0 Release 16)

Published Date: 06/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 15.0.0 Release 15)

Published Date: 05/01/2017

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 14.0.0 Release 14)

Published Date: 09/01/2014

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 12.0.0 Release 12)

Published Date: 09/01/2012

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 11.0.0 Release 11)

Published Date: 03/01/2011

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 10.0.0 Release 10)

Published Date: 01/01/2010

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 9.0.0 Release 9)

Published Date: 02/01/2009

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 8.1.0 Release 8)

Published Date: 10/01/2007

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Combining Circuit Switched (CS) and IP Multimedia Subsystem (IMS) services; Stage 2 (3GPP TS 23.279 version 7.7.0 Release 7)

Published Date: 02/01/2001

Digital cellular telecommunications system (Phase 2+) (GSM); Modulation (GSM 05.04 version 8.1.2 Release 1999)

Published Date: 10/01/2020

Lawful Interception (LI); Handover Interface and Service-Specific Details (SSD) for IP delivery; Part 5: Service-specific details for IP Multimedia services

Published Date: 07/01/2018

Core Network and Interoperability Testing (INT); Communication Waiting (CW) using IP Multimedia (IM) Core Network (CN) subsystem; Conformance test specification (3GPPTM Release 12); Part 2: Test Suite Structure and Test Purposes (TSS&TP)

Published Date: 07/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Support of Optimal Routeing (SOR); Technical realization (3GPP TS 23.079 version 16.0.0 Release 16)

Published Date: 01/21/2005

Environmental Management Systems - Specification with Guidance for Use

Published Date: 09/01/1996

Environmental Management Systems - Specification with Guidance for Use

Published Date: 01/21/2005

Environmental Management Systems - General Guidelines on Principles, Systems and Supporting Techniques

Published Date: 09/01/1996

Environmental Management Systems - General Guidelines on Principles, Systems and Supporting Techniques

Published Date: 10/01/1996

Guidelines for Environmental Auditing - General Principles

Published Date: 09/01/1996

Guidelines for Environmental Auditing - Audit Procedures - Auditing of Environmental Management Systems