International Telecommunication Union

AI helps turn meteorological data into early action

Experts in meteorology reflect on how AI is reshaping disaster management, where progress is being made, and the challenges ...
ITU

ITU Workshop on “Trustable and Interoperable Digital Identities for Human and Agentic AI”

The International Telecommunication Union (ITU) is organizing a workshop on “Trustable and interoperable digital Identities for human and agentic AI” taking place from the 30-31 March 2026, from 09h00 ...
ITU

ITU-D ICT Statistics

ITU collects and disseminates vital data and carries out world-class research to track and make sense of digital transformation globally.
ITU

P.676 : Attenuation by atmospheric gases and related effects

Attenuation by atmospheric gases in the frequency range 1-350 GHz Superseded ...
ITU

M.1645 : Framework and overall objectives of the future development of IMT-2000 and systems beyond IMT-2000

ITU Sectors ITU Sectors ...
ITU

P.1812 : A path-specific propagation prediction method for point-to-area terrestrial services in the frequency range 30 MHz to 6 GHz

A path-specific propagation prediction method for point-to-area terrestrial services in the frequency range 30 MHz to 6 GHz The empirical troposcatter model in Section 4.4 (Propagation by tropospheric ...
ITU

P.526 : Propagation by diffraction

ITU Sectors ITU Sectors ...
ITU

X.224 : Information technology - Open Systems Interconnection - Protocol for providing the connection-mode transport service

Relaxation of class conformance requirements and expedited data service feature negotiation In force ...
ITU

Y.1564 : Ethernet service activation test methodology

ITU Sectors ITU Sectors ...
ITU

Conference Preparatory Meeting (CPM)

Inter-session preparatory studies ITU-R Preparatory Studies for WRC-23 (updated 31 January 2023 ) ITU Inter-regional Workshops on WRC-23 Preparation Regional preparation for WRC-23 Proposed det a iled ...
ITU

P.1144 : Guidelines for the application of numerical methods used in propagation methods of Radiocommunication Study Group 3

ITU Sectors ITU Sectors ...
ITU

A.5 : Generic procedures for including references to documents of other organizations in ITU-T Recommendations

Republished in Orange Book 2000 without further modification. Annexes A to F of ITU-T A.5 were deleted on 30 June 2001 and put for information with the list of ...