Amplified multichannel dense wavelength division multiplexing applications with single channel optical interfaces In force ...

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

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 Superseded ...

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

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

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 ...

Your gateway to a wealth of information about ITU’s history: facts, figures, lists, dates, and a growing selection of digitized documents. Search the History Portal ...

Not yet a member? Join ITU as a member to have a direct voice in the decisions impacting your business, organisation, or economy. It's your opportunity to shape the future of technologies, network ...

ITU-T organizes a number of events including workshops, seminars and webinars to progress existing work areas and explore new ones. The events cover a wide array of topics in the field of information ...

This Corrigendum was never published, its content having been included in the published Rec. ITU-T K.44 (05/2012). Superseded ...

The ITU-R Recommendations constitute a set of international technical standards developed by the Radiocommunication Sector (formerly CCIR) of the ITU. They are the result of studies undertaken by ...

Working Party 5B (WP 5B) - Maritime mobile service including the Global Maritime Distress and Safety System (GMDSS); the aeronautical mobile service and the radiodetermination service WP 5B is ...