ITU is holding its 100th Radio Regulations Board meeting — a significant milestone in global spectrum governance.

ITU explores a collaborative approach to secure telephone networks for combating fraudulent communications with digital certificates.

Facts and Figures 2025 offers a snapshot of the most important ICT indicators, including estimates for the current year.

Recently posted - Search Recommendations P.1199 : Parametric object-recognition-ratio-estimation model for remote monitoring of surveillance video delivered from autonomous vehicles ...

New definitions for inclusion in Recommendation ITU-T P.10/G.100 In force ...

Unless specified otherwise, registration to ITU-R events requires the approval of the corresponding Designated Focal Points (DFP) for ITU-R event registration. Read more on registration to ITU-R ...

This amendment was never published separately; its content has been included in the published Rec. ITU-T P.1203 (2016). Superseded ...

This document corresponds to G.722 Appendix II which was published in Blue Book (1988). It includes one diskette containing the digital test sequences for the verification of the G.722 SB-ADPCM codec ...

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Revised Annex A: Clarification and explanation of the structure and function of international ITU-T E.164-numbers In force ...

This Recommendation includes 1 CD-ROM containing the software tools library (STL-2000). The STL-2000 Manual is freely available from ITU-T website for information purpose Superseded ...