09-09-2017, 10:58 AM
Nippon Telegraph and Telephone Corporation (NTT) is a provider of fixed and mobile telephony services, IP protocol / packet communications services, telecommunications equipment, system integration and other telecommunications related services in Japan. The Company operates in five segments: regional communications business, which includes fixed voice services, IP / packet communications services, sale of telecommunications equipment, systems integration services and other services; long distance and international, which includes fixed voice services and IP / packet communications services; mobile communications business, which includes services related to mobile telephony and the sale of telecommunications equipment; data communications business, comprising systems integration services, and other business, which includes building maintenance, real estate rental, systems development and other services related to research and development.