Türk Telekomünikasyon Anonim Sirketi, together with its subsidiaries, provides integrated telecommunication services in Turkey. The company operates in two segments, Fixed Line and Mobile. It offers mobile, Internet, phone and TV products and services under the Türk Telekom brand. The company also provides PSTN and wholesale broadband services; retail Internet services, IPTV, satellite TV, Web TV, mobile TV, and smart TV services; IT solutions; convergence technologies; online education software; project development and corporate venture capital services; and wholesale data and capacity services. In addition, the company offers TV Broadcasting and VOD services; telecommunications devices sales; payment and e-money services; and web portal and computer programming services. Further, it provides call center, electric supply and sales, and facilities support services; and engages in consumer finance activities. The company was founded in 1840 and is headquartered in Ankara, Turkey. Türk Telekomünikasyon Anonim Sirketi is a subsidiary of LYY Telekomünikasyon A.S.