TÃ¼rk TelekomÃ¼nikasyon AS engages in the provision of local, national, international and mobile telecommunication services, internet product and services. It operates its business through the following segments: Fixed Line and Mobile segments. The Fixed line segment services are provided by TÃ¼rk Telekom, TTNet, Argela, Innova, Sebit, Sobee, AssisTT and Pantel Group. The Mobile segment service is provided by Avea. The company is a fixed-line operator which provides value-added services besides voice and data services for its corporate and retail customers through its extensive fixed-line telecommunications network. It provides a range of mobile communications services, including pre-paid, post-paid and value-added voice services. The company was founded on April 24, 1995 and is headquartered in Ankara, Turkey.