Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 v7.2.0, modified] (3GPP TS 23.406 version 7.0.0 Release 7)

Standard published on 18.12.2007

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); TISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 v7.2.0, modified] (3GPP TS 23.406 version 7.1.0 Release 7)

Standard published on 16.4.2008

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); TISPAN; IP Multimedia Subsystem (IMS); Stage 2 description [3GPP TS 23.228 v7.2.0, modified] (3GPP TS 23.406 version 7.2.0 Release 7)

Standard published on 8.10.2008

Digital cellular telecommunications system (Phase 2+); Universal Mobile Telecommunications System (UMTS); Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); IP Multimedia Subsystem (IMS); Functional architecture (3GPP TS 23.417 version 7.0.0 Release 7)

Standard published on 18.12.2007

LTE; 5G; Service Enabler Architecture Layer for Verticals (SEAL); Data Delivery enabler for vertical applications (3GPP TS 23.433 version 18.3.0 Release 18)

Standard published on 24.4.2024

LTE; 5G; Service Enabler Architecture Layer for Verticals (SEAL); Data Delivery enabler for vertical applications (3GPP TS 23.433 version 18.4.0 Release 18)

Standard published on 29.7.2024

LTE; 5G; Service Enabler Architecture Layer for Verticals (SEAL); Data Delivery enabler for vertical applications (3GPP TS 23.433 version 18.5.0 Release 18)

Standard published on 8.10.2024

LTE; 5G; Service Enabler Architecture Layer for Verticals (SEAL); Data Delivery enabler for vertical applications (3GPP TS 23.433 version 18.6.0 Release 18)

Standard published on 28.1.2025

LTE; 5G; Service Enabler Architecture Layer for Verticals (SEAL); Data Delivery enabler for vertical applications (3GPP TS 23.433 version 18.7.0 Release 18)

Standard published on 3.4.2025

LTE; 5G; Service Enabler Architecture Layer for Verticals (SEAL); Data Delivery enabler for vertical applications (3GPP TS 23.433 version 19.7.1 Release 19)

Standard published on 7.10.2025