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ETSI TS 124390-V19.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; 5G; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem IMS; Stage 3 (3GPP TS 24.390 version 19.0.0 Release 19)
Standard published on 17.10.2025
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ETSI TS 124391-V12.1.0
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Universal Mobile Telecommunications System (UMTS); LTE; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 12.1.0 Release 12)
Standard published on 3.10.2014
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ETSI TS 124391-V12.2.0
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Universal Mobile Telecommunications System (UMTS); LTE; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 12.2.0 Release 12)
Standard published on 20.1.2015
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ETSI TS 124391-V13.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 13.0.0 Release 13)
Standard published on 19.1.2016
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ETSI TS 124391-V14.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 14.0.0 Release 14)
Standard published on 3.4.2017
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ETSI TS 124391-V15.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 15.0.0 Release 15)
Standard published on 28.6.2018
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ETSI TS 124391-V16.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 16.0.0 Release 16)
Standard published on 20.11.2020
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ETSI TS 124391-V17.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; 5G; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 17.0.0 Release 17)
Standard published on 17.5.2022
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ETSI TS 124391-V18.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; 5G; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 18.0.0 Release 18)
Standard published on 13.5.2024
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ETSI TS 124391-V19.0.0
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Universal Mobile Telecommunications System (UMTS); LTE; 5G; Unstructured Supplementary Service Data (USSD) using IP Multimedia (IM) Core Network (CN) subsystem (IMS) Management Object (MO) (3GPP TS 24.391 version 19.0.0 Release 19)
Standard published on 17.10.2025
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