Global System For Mobile Communication (GSM) Has Passed 20 Years This Month

GSM or Global System for Mobile Communications or Group Special Mobile can be described as a standard which specially developed for 2G cellular networks. It was developed first on 1st July 1991, while Harri Holkeri, Finnish Prime Minister, made the world’s first GSM call to Kaarina Suonio, Mayou of Tampare. But now the technology has Read more