Introduction
AT&T is an American multinational telecommunications giant. Headquartered in Dallas, Texas, AT&T is the largest telephone service provider in terms of revenue in the world. AT&T is the largest fixed line telephone service provider and second largest wireless service provider in the USA. Apart from these services, AT&T also provides broadband subscription based television service and dedicated fiber optic based internet service. It is the 20th largest mobile telecom operator by the number of its customers (AT&T, 2014). Having started its operation as Southwestern Bell Corporation, AT&T Corp. was born in 1885 after Regional Bell Operating companies divested the Continue reading...