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ITU-T Activities
 ITU-T Study Groups (Study Period 2001 - 2004)

The standardization work of ITU-T is carried out by the technical Study Groups (SGs) in which representatives of the ITU-T membership develop Recommendations (standards) for the various fields of international telecommunications. The SGs drive their work primarily in the form of study Questions. Each of these addresses technical studies in a particular area of telecommunication standardization. Each SG has a SG Chairman and a number of vice-chairmen appointed by the World Telecommunication Standardization Assembly (WTSA).
General Information
General areas of study of the ITU-T Study Groups
Standardization Areas, Domains and their Codes
Lead Study Group Activities
Study Group 2
Operational aspects of service provision, networks and performance
Lead Study Group on Service definition, Numbering, Routing and Global Mobility.
Study Group 3
Tariff and accounting principles including related telecommunications economic and policy issues
Study Group 4
Telecommunication management, including TMN
Lead Study Group on TMN.
Study Group 5
Protection against electromagnetic environment effects
Study Group 6
Outside plant
Study Group 9
Integrated broadband cable networks and television and sound transmission
Lead Study Group on integrated broadband cable and television networks.
Study Group 11
Signalling requirements and protocols
Lead Study Group on intelligent networks.
Study Group 12
End-to-end transmission performance of networks and terminals
Lead Study Group on Quality of Service and performance.
Study Group 13
Multi-protocol and IP-based networks and their internetworking
Lead Study Group for IP related matters, B-ISDN, Global Information Infrastructure and satellite matters.
Study Group 15
Optical and other transport networks
Lead Study Group on Access Network Transport and on Optical Technology.
Study Group 16
Multimedia services, systems and terminals
Lead Study Group on multimedia services, systems and terminals, e-business and e-commerce.
Study Group 17
Data Networks and Telecommunication Software
Lead Study Group on frame relay, communication system security, languages and description techniques.
Special Study Group "IMT-2000 and Beyond"
Lead Study Group on IMT 2000 and beyond and for mobility.
TSAG - Telecommunication Standardization Advisory Group
TSAG reviews priorities, programmes, operations, financial matters and strategies for the Sector, follows up on the accomplishment of the work programme, restructures and establishes ITU-T Study Groups, provides guidelines to the Study Groups, advises the Director of TSB, elaborates A-series Recommendations on organization and working procedures.
Other Study Periods
ITU-T Study Groups (Study Period 2005-2008)
ITU-T Study Groups (Study Period 1997-2000)


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Updated : 2004-11-15