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Telecommunication Standardization Bureau (TSB) – The secretariat of ITU-T

The Telecommunication Standardization Bureau (TSB) is the secretariat of ITU-T, and is headed by an elected Director responsible for regularly updating the work programme of the Sector which is approved by World Telecommunication Standardization Assemblies (WTSA), in consultation with the chairmen of ITU-T study groups and the Telecommunication Standardization Advisory Group (TSAG).

International Telecommunication Union
Telecommunication Standardization Bureau

Place des Nations
CH-1211 Geneva 20
Tel. +41 22 730 5852
Fax +41 22 730 5853

Contacts in the ITU General Secretariat

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