International Telecommunication Union

Guardians of the airwaves: ITU Radio Regulations Board

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

Secure telephone networks: Combating fraud using digital certificates

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

E.164 : The international public telecommunication numbering plan

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

ITU's headquarters

If you are staying at a hotel, youth hostel or campsite in Geneva, the establishment may offer a "Geneva Transport Card", which gives free access to public transport in Geneva. Get more information ...