ETSI TS 122 250 PDF

Published Date: 08/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 16.0.0 Release 16)

Published Date: 07/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 15.0.0 Release 15)

Published Date: 03/01/2017

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 14.0.0 Release 14)

Published Date: 10/01/2014

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 12.0.0 Release 12)

Published Date: 10/01/2012

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 11.0.0 Release 11)

Published Date: 05/01/2011

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 10.0.0 Release 10)

Published Date: 01/01/2010

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 9.0.0 Release 9)

Published Date: 01/01/2009

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 8.0.0 Release 8)

Published Date: 06/01/2007

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 7.0.0 Release 7)

Published Date: 01/01/2005

Universal Mobile Telecommunications System (UMTS); IP Multimedia Subsystem (IMS) Group Management; Stage 1 (3GPP TS 22.250 version 6.0.0 Release 6)

Published Date: 07/01/2020

LTE; Evolved Universal Terrestrial Radio Access (E-UTRA); Requirements on User Equipments (UEs) supporting a release-independent frequency band (3GPP TS 36.307 version 16.2.0 Release 16)

Published Date: 10/01/2017

Speech and multimedia Transmission Quality (STQ); Speech quality performance in presence of background noise; Part 1: Background noise simulation technique and background noise database

Published Date: 01/01/2021

Universal Mobile Telecommunications System (UMTS); User Equipment (UE) conformance specification; Part 3: Abstract test suite (ATS) (3GPP TS 34.123-3 version 16.0.0 Release 16)

Published Date: 09/25/2019

Railway Track Material, Part 1: Steel Rails

Published Date: 12/02/2019

Railway track material, Part 14: Prestressed concrete sleepers

Published Date: 06/22/2021

Railway track material, Part 17: Steel sleepers

Published Date: 06/23/2020

Railway track materials, Part 20: Welding of steel rail

Published Date: 06/23/2020

Railway track material, Part 21: Turnouts, switches and crossings

Published Date: 03/24/2020

Railway track materials: Alternative material sleepers