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