Nippon Telegraph and Telephone Corporation, together with its subsidiaries (NTT Group), provides fixed and mobile voice related, IP/packet communications, system integration, and other telecommunications related services. It also engages in the sale of telecommunications equipment, as well as operation of telephone networks in Japan. The company operates through five segments: Regional Communications, Long Distance and International Communications, Mobile Communications, Data Communications, and Other.
The NTT Group has led the development of telecommunications in Japan for more than a century. The major companies that comprise the NTT Group continue to accommodate the emerging needs of the ubiquitous broadband society in the 21st century, while fulfilling their social mission in each business field in an increasingly competitive global market environment.
