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Last $34.04 USD
Change Today -0.40 / -1.16%
Volume 156.4K
As of 8:04 PM 04/17/15 All times are local (Market data is delayed by at least 15 minutes).

nippon telegraph & tele-adr (NTT) Snapshot

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04/16/15 - $34.55
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01/5/15 - $25.07
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Current Stock Chart for NIPPON TELEGRAPH & TELE-ADR (NTT)

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nippon telegraph & tele-adr (NTT) Details

Nippon Telegraph and Telephone Corporation, together with its subsidiaries, provides fixed and mobile voice related services, IP/packet communications services, telecommunications equipment, and system integration and other telecommunications-related services in Japan. It operates through five segments: Regional Communications Business, Long Distance and International Communications Business, Mobile Communications Business, Data Communications Business, and Other Business. The company provides regional communications services, including intra-prefectural communications and related ancillary services; long distance and international communications services, such as inter-prefectural communications, international communications, solution business, and related services; mobile communications services, including mobile phone services and related services; and data communications services, such as system integration and network system services. The company also provides financial services, such as issuing leases and credit cards; real estate services, including building rentals and apartment sales; systems development services; and construction-related services, such as the design, construction, and maintenance of buildings. As of March 31, 2014, it had 18,050 thousand FTTH service subscriptions; 1,483 thousand ADSL service subscriptions; 26,366 thousand fixed-line telephone service and ISDN service subscriptions; 11,466 thousand ISP service subscriptions; and 63,105 thousand mobile broadband and voice communications subscribers. The company was founded in 1952 and is headquartered in Tokyo, Japan.

248,450 Employees
Last Reported Date: 02/9/15
Founded in 1952

nippon telegraph & tele-adr (NTT) Top Compensated Officers

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nippon telegraph & tele-adr (NTT) Key Developments

Nippon Telegraph and Telephone Corporation and Oki Electric Industry Co., Ltd. to Jointly Develop New Technology

Nippon Telegraph and Telephone Corporation and Oki Electric Industry Co., Ltd. have jointly developed a new technology that combines the PON technology with the wavelength and time division multiplexing technology - 'WDM/TDM-PON technology.' The two companies have successfully demonstrated the jointly developed optical access system featuring the WDM/TDM-PON technology in ultra-large capacity transmission at 40Gbit/s over a 40km distance servicing 1,024 users. In other words, this new optical access system enables a transmission capacity of 40 times that of the existing system while accommodating 32 times more users. This research and development project was contracted to NTT and OKI by the Ministry of Internal Affairs and Communications under a research contract titled 'Research and development of wide area optical access networks.' Research and development in the field of next generation optical access network systems has been tasked with a major objective of achieving an enhanced transmission capacity in order to handle ever-increasing traffic of broadband services users. Another important objective of R&D has been to achieve a longer transmission distance and increase the number of users supported per system. This will make possible efficient operation and lower power consumption of a network as a whole as a result of overall reduction of the number of central offices as well as the number of system equipment located in such central offices. Thus, further technological innovation, innovation that pushes the envelope of the conventional time division multiplexing (TDM-) PON technology, is necessary to allow for a larger transmission capacity, wider coverage and an increased per system number of users. To this end, NTT Access Network Service Systems Laboratories (NTT labs.) and OKI have devoted their efforts in developing WDM/TDM-PON technology, a combination of the conventional TDM-PON technology with the Wavelength Division Multiplexing (WDM) technology popularly used in Core/Mero networks for transmission over long distances. The WDM/TDM-PON technology has combined advantages; it efficiently accommodates multiple users by using the TDM-PON technology while largely enhancing the total bandwidth and the transmission capability over longer distances with smaller optical power loss by using the WDM. The jointly developed WDM/TDM-PON technology consists of wavelength-tunable burst-mode optical transceivers, a wavelength multiplexed burst-mode optical amplifier and a wavelength tuning protocol. Wavelength-tunable burst-mode optical transceivers [NTT labs and OKI]: In a WDM/TDM-PON, each Optical Network Unit (ONU) on the customer premises communicates at one of four pre-determined wavelengths. Using different ONUs for each of these wavelengths would increase management cost and the risk of improper connection. A solution is to equip the ONU with an optical transceiver capable of tuning to different wavelengths (that is colorless). Two types of wavelength-tunable burst-mode optical transceiver have been developed in this project. Wavelength multiplexed bust-mode optical amplifier [NTT]: Achieving a 40km transmission distance and a split ratio of 1 to 1,024 over a WDM/TDM-PON requires an optical amplification technology that can economically amplify wavelength multiplexed upstream burst signals. Also important is to equalize the signal output power level for upstream bursts and to expand the input dynamic range.

Nippon Telegraph and Telephone Corporation Provides Earnings Guidance for the Year Ending March 31, 2016

Nippon Telegraph and Telephone Corporation provided earnings guidance for the year ending March 31, 2016. For the year, the company expects operating revenues of JPY 417 billion, non-operating revenues of JPY 28 billion, recurring profit of JPY 277 billion and operating income of JPY 281 billion.

Nippon Telegraph and Telephone Corporation Launches Netrosphere Concept for Network Development

Nippon Telegraph and Telephone Corporation has introduced the 'NetroSphere concept' to form the carrier network infrastructure. Instead of using conventional purpose-built high-functionality equipment, NetroSphere seeks to divide them into small modular components, and flexibly assemble those components at will. The concept is designed to quickly form proportional networks that can offer required functionality, capacity, and level of redundancy in accordance to the user's needs. NTT will work on the development of 'Magonia' and 'Multi-Service Fabric'. He operator plans to accelerate these R&D initiatives by collaboration with other carriers and vendors.


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Valuation NTT Industry Range
Price/Earnings 16.5x
Price/Sales 0.8x
Price/Book 1.0x
Price/Cash Flow 3.9x
TEV/Sales 0.1x

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