Türk Telekomünikasyon AS engages in the provision of telecommunication services. It operates through the Fixed Line and Mobile Services segments. The Fixed Line segment provides network access, local usage, domestic and international long distance and infrastructure leases. The Mobile Services segment focuses on 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.