Türk Telekomünikasyon AS engages in the provision of local, national, international and mobile telecommunication services, internet product and services. It operates through the Fixed Line and Mobile segments. The Fixed Line segment provides network access, local usage, domestic and international long distance and infrastructure leases. The Mobile segment focuses in outgoing and incoming traffic, roaming, value added services and monthly fees. The company was founded on April 24, 1995 and is headquartered in Ankara, Turkey.