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First GSM call was made today 20 Years AGO

GSM

World’s first GSM call, called the Bank of Finland, Harri Holkeri, provided by Nokia’s Radiolinja network on1st July 1991. Today, the world’s 2.5 billion mobile users to use most of the GSM technology.

At the time the prevailing mobile technology was the analog NMT (so called 1G) but by 1995 GSM phones were outselling NMT models. In just 10 years the world had upgraded to 3G which gave broadband like speed and video calling features to the world and now the world is moving to 4G being faster than before.