Telecommunication Standardization Sector (ITU-T)
World Telecommunication Standardization Assembly (WTSA)
World telecommunication standardization assembly approve the work programme of ITU-T and determine the priorities, urgency and time-frame for completion of work relating to the preparation of standards. Assemblies also approve, modify or reject draft ITU-T Recommendations (de facto standards) and consider the reports of the study groups and the Telecommunication Standardization Advisory Group. In addition, they decide on the structure of study groups and on the allocation of Questions to be studied by each study group. To facilitate the participation of developing countries in the work of ITU-T study groups, the Assembly aims to identify and group together Questions of interest to developing countries. A world telecommunication standardization assembly is held every four years.
ITU-T Study Groups
The 13 study groups of ITU-T cover a huge range of topics relating to the smooth and efficient functioning of a growing range of telecommunication equipment and services. Topics covered include numbering systems, multimedia services and systems, network and service operation, tariff and accounting principles, telecommunication network management systems, signalling, transmission and transport systems, data networks, and new value-added services such as universal international freephone numbers.
Telecommunication Standardization Advisory Group (TSAG)
The Telecommunication Standardization Advisory Group (TSAG) assists the Director of TSB by regularly reviewing the priorities, programmes and strategies of the Sector, providing guidelines for the work of the study groups, and working to foster inter-organization cooperation with other relevant standardization bodies, including industry forums and consortia. Comprising representatives from the ITU Member States and ITU-T Sector Members who participate on an equal footing, TSAG meets as often as necessary, but at least once a year.
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