Introduction The twentieth century will be looked back on as the period when telecommunications revolutionised people’s daily lives – from the first telephone call and short wave radio transmission, to the modern era of mass instant global telecommunications patterns. Telecommunication is the science of communication by telephony, radio, television and computer networks. One of the most significant changes in recent times is the agreement, signed in February 1997, which liberalised the world telecommunications market. It is estimated this will lead to international phone charges falling…

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