Standard

ETSI TS 123 172

Jun 2006 Revised

Note: This standard has a new edition: ETSI TS 123 172

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Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Oct 2025 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Oct 2025 Published
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Apr 2024 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Apr 2022 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Aug 2020 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Jul 2018 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Apr 2017 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Jan 2016 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service UDI/RDI fallback and service modification; Stage 2

Oct 2014 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Oct 2012 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Apr 2011 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); LTE; Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Jan 2009 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Jul 2007 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Jun 2006 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Jul 2005 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Jul 2005 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Apr 2005 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Apr 2005 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Feb 2005 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

May 2004 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Feb 2004 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical realization of Circuit Switched (CS) multimedia service; UDI/RDI fallback and service modification; Stage 2

Oct 2003 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical Realization of Circuit Switched (CS) Multimedia Service; UDI/RDI Fallback and Service Modification; Stage 2

Jan 2003 Revised
Standard

ETSI TS 123 172
Universal Mobile Telecommunications System (UMTS); Technical Realization of Circuit Switched (CS) Multimedia Service; UDI/RDI Fallback and Service Modification; Stage 2

Jul 2002 Revised

Document information

Standard from ETSI_AC
Published: 7 June 2006
Version: 0
Document type: IS
ISBN:

Additional information

ETSI TS 123 172

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ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

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ETSI TS 123 172

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ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

ETSI TS 123 172

Document information

Access to standards for the entire organization

Benefits of our business solution:

Contact us today for a non-binding offer

Singles purchase not accessible

Extended editions Extended editions (0)

Version history Related corrigendum and amendments (0)

Version history History (24)

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Document information