We live in a time where it is possible to speak to anyone at any time from anywhere in the world, thanks to telephones. But how do they work? Thanks to this video you won't need to wonder any more, as this explains exactly how they work as well as how the ITU helps to make sure every call goes through properly.

Language: English

ICT Discovery is the fascinating story of information and communication technologies (ICT) told from the very heart of the ICT industry. Through interactive exhibitions and educational programs, ICT Discovery’s mission is to entertain and educate the public on the evolution and exciting future of ICT alongside the role of ITU in connecting our world and facilitating the transformation of people’s lives everywhere.

Website: www.ictdiscovery.org
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