Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2 (3GPP TS 23.172 version 7.0.0 Release 7)

Standard published on 30.6.2007

Universal Mobile Telecommunications System (UMTS); LTE; Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2 (3GPP TS 23.172 version 8.0.0 Release 8)

Standard published on 20.1.2009

Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2 (3GPP TS 23.172 version 9.0.0 Release 9)

Standard published on 3.2.2010

Universal Mobile Telecommunications System (UMTS); LTE; Functional architecture and information flows to support mission critical communication services; (3GPP TS 23.179 version 13.0.0 Release 13)

Standard published on 15.1.2016

Universal Mobile Telecommunications System (UMTS); LTE; Functional architecture and information flows to support mission critical communication services; Stage 2 (3GPP TS 23.179 version 13.1.0 Release 13)

Standard published on 12.4.2016

Universal Mobile Telecommunications System (UMTS); LTE; Functional architecture and information flows to support mission critical communication services; Stage 2 (3GPP TS 23.179 version 13.2.0 Release 13)

Standard published on 28.7.2016

Universal Mobile Telecommunications System (UMTS); LTE; Functional architecture and information flows to support mission critical communication services; Stage 2 (3GPP TS 23.179 version 13.3.0 Release 13)

Standard published on 5.10.2016

LTE; Functional architecture and information flows to support mission critical communication services; Stage 2 (3GPP TS 23.179 version 13.4.0 Release 13)

Standard published on 12.1.2017

LTE; Functional architecture and information flows to support mission critical communication services; Stage 2 (3GPP TS 23.179 version 13.5.0 Release 13)

Standard published on 27.3.2017

LTE; Mission critical services support in the Isolated Operation for Public Safety (IOPS) mode of operation (3GPP TS 23.180 version 17.0.0 Release 17)

Standard published on 11.5.2022