Telekomunikacja Polska S.A., through its subsidiaries, provides telecommunications services to business and residential customers in Poland. It offers local, long distance domestic, and international public telephony services. The company also provides integrated services, digital network, voice mail, dial-up, and fixed access to the Internet and voice over Internet protocol services, as well as offers leased lines, radio-communication, data transmission, telemetrics, digital television, video-on-demand, directories, payphone, visual, multimedia, and related services. In addition, it constructs and operates mobile telecommunications networks; and provides DCS, GSM, and UMTS services. Further, the company sells telecommunications equipment, and produces electronic phone cards, as well as offers audio, video, and gaming content through mobile and fixed line networks. Additionally, Telekomunikacja involves in the investment, production, service, trade, and construction activities related to telecommunications services and infrastructure, as well as conducts research and development activities in the field of telecommunications. The company was incorporated in 1991 and is based in Warszawa, Poland.