Operating the autobahn on the global information superhighway, Deutsche Telekom (DT) is a leading telecom company in Europe and one of the largest carriers in the world. Operating as T-Mobile in the US and in certain other European countries, the company's core business is serving its over 230 million customers with fixed-network and mobile communications services and products, as well as for enterprise information and communication technology (ICT). Germany's one of the leading fixed-line telephone operator, it provides domestic and international long-distance voice services. It is a leading ISP, offering other data and multimedia services such as its Entertain-branded internet television. DT's T-Systems International delivers ICT services for businesses. DT generates majority of sales in North America.