ETSI TS 122 228 PDF

Published Date: 11/01/2020

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 16.1.0 Release 16)

Published Date: 07/01/2018

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 15.3.0 Release 15)

Published Date: 05/01/2017

Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.183 version 14.1.0 Release 14)

Published Date: 07/01/2015

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 12.10.0 Release 12)

Published Date: 01/01/2013

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 11.6.0 Release 11)

Published Date: 01/01/2013

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 10.5.0 Release 10)

Published Date: 01/01/2013

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 9.4.0 Release 9)

Published Date: 01/01/2013

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); LTE; Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 8.7.0 Release 8)

Published Date: 10/01/2007

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 7.6.0 Release 7)

Published Date: 03/01/2006

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 6.11.0 Release 6)

Published Date: 03/01/2006

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1 (3GPP TS 22.228 version 5.7.0 Release 5)

Published Date: 10/01/2020

Lawful Interception (LI); Requirements of Law Enforcement Agencies

Published Date: 10/01/2020

LTE; Mission Critical Video (MCVideo) media plane control; Protocol specification (3GPP TS 24.581 version 16.6.0 Release 16)

Published Date: 01/01/2021

LTE; Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Terrestrial Radio Access Network (E-UTRAN); Derivation of test tolerances for Radio Resource Management (RRM) conformance tests (3GPP TR 36.903 version 15.5.0 Release 15)

Published Date: 09/01/2020

Universal Mobile Telecommunications System (UMTS); LTE; Feasibility study for evolved Universal Terrestrial Radio Access (UTRA) and Universal Terrestrial Radio Access Network (UTRAN) (3GPP TR 25.912 version 16.0.0 Release 16)

Published Date: 01/27/1988

SAFETY ANALYSIS AND REVIEW SYSTEM

Published Date: 05/20/1988

UNCLASSIFIED COMPUTER SECURITY PROGRAM

Published Date: 06/30/1994

SCIENTIFIC AND TECHNICAL INFORMATION MANAGEMENT

Published Date: 12/07/2001

QUALITY ASSURANCE

Published Date: 04/01/1987

FINANCIAL ASSISTANCE PROCEDURES MANUAL

Published Date: 12/02/1987

TELECOMMUNICATIONS: COMMUNICATIONS SECURITY