International Telecommunication Union

specialized agency of the United Nations for information and communication technologies

thumb|Modern radiosondes showing progress of miniaturisationthumb|A Global Positioning System|GPS sonde, approx 220 × 80 ×75 mm (8.7 × 3.1 × 3 in) (with grounding station in the background, used to perform a 'ground check' and also recondition the humidity sensor)

day celebrated on 17 May

The International Telecommunication Union Telecommunication Standardization Sector (ITU-T) is one of the three Sectors (branches) of the International Telecommunication Union (ITU). It is responsible for coordinating standards for telecommunications and Information Communication Technology, such as X.509 for cybersecurity, Y.3172 and Y.3173 for machine learning, and H.264/MPEG-4 AVC for video compression, between its Member States, Private Sector Members, and Academia Members.

two-phase United Nations-sponsored summit on information, communication and, in broad terms, the information society that took place in 2003 in Geneva and in 2005 in Tunis

The ITU Radiocommunication Sector (ITU-R) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU) and is responsible for radio communications.

treaty

International Telecommunication Union region

convention

UN world day

United Nations Inter-Agency work programme

working group

The ITU Telecommunication Development Sector (ITU-D) is one of the three sectors (divisions or units) of the International Telecommunication Union (ITU); it is responsible for creating policies, regulation and providing training programs and financial strategies in developing countries.

1992 treaty founding the International Telecommunication Union