KT Corporation is a telecommunications service provider in Korea. As an integrated telecommunications service provider, its principal services include telephone services, including local, domestic long-distance and international long-distance fixed-line telephone services and interconnection services to other telecommunications companies; broadband Internet access service and other Internet-related services, including Internet protocol television (IP-TV) services; personal communications system (PCS) mobile telecommunications service and third-generation High Speed Downlink Packet Access (HSDPA)-based IMT-2000 wireless Internet and video multimedia communications services, and various other services, including leased line service and other data communication service, satellite service and information technology and network services. In addition, it operates nationwide PCS and HSDPA-based IMT-2000 networks.