Turkcell Iletisim Hizmetleri AS establishes and operates a Global System for Mobile Communications (GSM) network in Turkey and regional states. It operates in four segments: Turkcell, Euroasia, Belarusian Telecom, and Superonline. The company offers mobile voice and broadband services; and other mobile services comprising call and balance management services and messaging options, and government-related applications. Its mobile services also include Real-time Enterprise to transform traditional enterprise processes into mobile-centric and real-time business processes; Turkcell Smart Enablers, a network of mobile-based and technological services; Turkcell Smart Map for companies to target specific customers; Ekip Mobil to monitor and manage sales forces and fleets; Mobile Signature for mobile subscribers to sign electronic documents and transactions; Machine to Machine platform for managing devices; and mobile marketing services. The company also provides mobile payment services; digital media services for subscribers to watch live television channels and on-demand video content on their mobile phones; and international roaming services. In addition, it offers BiP, an instant messaging app; Turkcell Muzik for its users to access songs from mobile phones, tablets, or computers; Turkcell Akilli Depo to store photos, documents, and videos; Mother & Child; Turkcell Academy that provides courses on the basics of sciences and finance; and Turkcell Smart Health Solution that enables patients with chronic diseases to record and send their test results to healthcare providers. Further, the company is involved in betting; information technology; research and development; radio and television broadcasting and financing and property investment. The company was founded in 1993 and is headquartered in Istanbul, Turkey.Turkcell Iletisim Hizmetleri AS operates as a subsidiary of Turkcell Holding AS.