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NTT Communications Corporation
Company typePrivate
HeadquartersTokyo, Japan
Key people
Toru Maruoka
President & CEO[1]
SubsidiariesNTT America
NTT Europe Ltd
NTT Resonant
Websitewww.ntt.com (in Japanese)
www.ntt.com/index-e.html (in English)
NTT Hibiya building
NTT Shiodome building

NTT Communications Corporation (エヌ・ティ・ティ・コミュニケーションズ株式会社, Enutiti Komyunikēshonzu Kabushiki-gaisha) is a Japanese telecommunications company owned by Nippon Telegraph and Telephone Corporation. It operates an international network across over 190 countries and regions, with locations in more than 70 countries and regions. The company has approximately 5,500 employees (NTT Communications Group: 11,500 employees) as of March 2020.[2] Its headquarters are located in the Otemachi Place West tower, Otemachi, Chiyoda, Tokyo.

NTT Communications Corporation was founded in July 1999 as a subsidiary of Nippon Telegraph and Telephone Corporation.[3] NTT Communications provides network management, telecommunication services such as VPN, and communications technology[4] (ICT) services including cloud, consulting, and managing services for companies and government agencies.[5]


1996–2005 Founding and early years

In 1996, several new policies were issued for the Telecommunications Law, and as a result of this policy change, NTT Communications Corporation was established in July 1999.[6] Since then, Nippon Telegraph and Telephone Corporation (日本電信電話株式会社, Nippon Denshin Denwa Kabushiki-gaisha) has served as a parent company, controlling NTT Communications which is responsible for long-distance and worldwide telephone services and two other local telecom companies.[7]

In 2000, the firm launched new international services called “0033 SAMURAI Mobile”, which were intended to allow users to make an international phone call with reduced international calling fees.[8] Moreover, the firm began Data center services both within Japan and overseas to provide support for E-business conducted by corporations.[9]

On 1 March 2001, NTT Com accepted a license agreement with InterWise, a major provider of live electronic learning and services for software-based enterprises.[10] Due to the agreement, NTT Communications could offer the InterWise system to their customers as a cross-corporation service. From this, the company was able to expand its presence in the electronic learning market by using technology developed by InterWise to encourage information sharing besides development of corporations.[10]

In December 2003, NTT Communications took over operations from a major data communications services provider; Crosswave Communications Inc. (CWC), which had filed for bankruptcy.[11] In addition, NTT Communications reached an agreement to acquire CWC for approximately 10 billion yen, NTT Communications PM Suzuki said.[citation needed]

On 3 October 2005, the company won the Best Customer Care award at the World Communication Awards 2005 held in London, becoming the first Asian company to earn the award in the communication field.[12]

2006–2015 expansion

In 2006, NTT Communications started a new Open Computer Network, also known as OCN Hosting Service, serving mainly small and medium-sized enterprises domestically.[13]

In May 2011, NTT purchased 70% of Frontline Systems, an Australian IT services provider.[14] In October 2013, it merged Frontline Systems with NTT Australia to form NTT ICT.[15]

On 17 July 2013, the world's first 100 Gbit/s Ethernet technology on a cable system linking Japan and the United States was deployed by NTT Communications. The technology could enhance the capacity of the company's system by 2.5 times.[16]

On 2 December 2014, the company, NTT Group's ICT services, and associated international communications, won the World Communications Awards (WCA) Best Global Operator award, in which the prize is generally given to those who innovate and provide great customer experiences.[17]


In October 2017, Gartner Inc. positioned NTT Communications Corp. in the Leaders quadrant in the “Magic Quadrant for Managed Hybrid Cloud Hosting (MHCH), Asia/Pacific” for the third consecutive year.[18]

On 28 May 2020, the firm announced the possibility of information leakage because of unauthorized access, however, no information related to consumer customers was disclosed.[19] According to the official website, "on May 28 that some information—although no information on consumer customers—was possibly leaked externally on May 11 due to unauthorized access to NTT Com facilities by attackers on May 7."[19]

NTT Group[edit]

The holding company Nippon Telegraph and Telephone Corporation (called NTT) was founded in 1952.[20] Initially the parent company operated as a public telecommunications provider in the country, since inception, the corporation has widely expanded its services and network. As of March 31, 2020, 319,050 people work for NTT Group as a whole, and consolidated operating revenues and that of income are ¥11,899.4 billion and ¥1,562.2 billion respectively.[21] Nippon Telegraph and Telephone group currently contains multiple corporations, and these are operated in different kinds of technological fields.[22][21]

Mobile communications business

  • NTT DOCOMO, INC.: One of the largest mobile communications companies in Japan, that has expanded its domestic mobile internet market by adopting strategies based on community management principles.[23]

Regional communications business – mostly providing regional telecom operations in domestic and related business.[24]

  • NTT East Corporation:The firm provides long-distance and international communication services, cable TV business etc.[24]
  • NTT West Corporation: Generally, NTT West Corporation offers similar services with NTT East Corporation, however in another area. Moreover, West Corporation has entered into overseas markets.[24]

Long distance and, global or cross-border communications business – both of the following firms provide products and services as well as long-distance communication services including cloud services, network services, data center services, and so forth.[24]

  • NTT Ltd.: Global operating company
  • NTT Communications Corporation: Japan operating company

Data communications business

  • NTT Data: NTT Group established a data communications bureau in 1967 which is now known as NTT DATA Corporation and currently, the firm offers its services in both Japan and overseas.[25] Its main business activity is system integration, as well as network system services. They specialize in the development of wide-ranging custom systems.[25]

International market[edit]


In January 2002, NTT Communications invested around $1 million for a unique technology developed by Israel in order to expand their international services.[26] The new technology has the ability to transfer audio or video files while connecting people in different locations.[26]


The Israeli technology was used for a new service targeting corporate customers. NTT Communications started offering the service in India in two months.[26] In June 2015, NTT Com's subsidiary NTT Communications India Private Limited (known as NTT Com India) built two new branch offices in Ahmedabad and Guiarat in order to deliver its customers ICT solutions.[27]


The article "NTT Communications: PoP" describes that "NTT Communications ... announced it has deepened its network connectivity in Germany with a new Point of Presence (PoP) on its Tier-1 Global IP Network in Munich."[28] The POPs could offer Tier-1 networking, allowing the company to deliver its customers network connections with high speed and low latency.[28]

China and Hong Kong

Financial Data Center Tower 2 (FDC2), which is the first data center in the countries was established by NTT Communications with the purpose of minimizing the data center costs and enhancing the efficiency of data center energy in an eco-friendly way.[29] As examples of energy efficient innovative technologies, cooling walls and batteries and water-side economization are included, and FDC2 has used renewable energy sources such as solar power by installing solar panels to the data center and has incorporated other ecological facilities like smart lighting systems for energy saving.[29] FDC2 has reduced 60% of energy consumption every year, leading NTT Groups’ eco strategies.[29]

Malaysia, the Philippines, Singapore, and Hong Kong

NTT Com launched a new operation called Asia Submarine-cable Express (ASE), an undersea cable connecting multiple large Asian cities with 40 Gbit/s on 20 August 2012.[30] The company has invested heavily in ASE, which has been built in cooperation with several Asian firms such as Telekom Malaysia, Philippines-based PLDT, and StarHub based in Singapore. The leading points for the cable system have been constructed in Japan, Malaysia, the Philippines, and Singapore and Hong Kong was added in early 2013.[30] The direct connection between the countries allows customers in five countries to use the data centers and cloud services as well as the network provided by NTT Com.[30]


Dimension Data

NTT Communications contracted with Dimension Data to create a provider called “cloud powerhouse”, which allows the companies to provide their clients a solution with hybrid IT. The alliance will also encourage access to worldwide software-based network services, connecting more than 190 countries and approximately 140 global data centers.[31]

Mitsui Chemicals Inc.

The two companies presented a new prediction technology, using deep learning-based artificial intelligence (AI) which were developed by NTT Communication.[32] According to the article "Deep-learning-based", "The predictions are produced in just 20 minutes after sampling process data, by modeling the relationships between process data and raw material, and furnace conditions, using deep-learning-based artificial intelligence (AI) developed by NTT Communications."[32]


NTT Communications expanded its service called “Disaster Recovery as a Service (DRaaS)” across the European network market, allowing corporate customers to develop their disaster recovery business by using the enterprise cloud platform.[33] Originally, NTT Communication's DRaaS service was already available in the United States, however, the number of corporations incorporating disaster recovery service was expected to exceed the counterpart using conventional recovery services,[33] in other words, there was a higher possibility of increasing the demand for disaster recovery service. Thus, NTT Communications decided to launch their DRaaS solutions in Europe with the support of Geminare.[33]


In the 2010s, both NTT Communications and a collaboration services provider “Arkadin” have expanded their partnership in order to offer video conferencing to Japanese organizations and businesses, primarily for multinational clients based in the country.[34]



  • NTT Communications has sponsored a rugby team NTT Communications Shining Arcs (commonly called as the Shining Arcs) which is presently playing in a rugby competition “Japan Rugby League One”.[35]
  • The company signed a sponsorship deal with McLaren as a Technology Partner in July 2016.[36]

Theme park

  • NTT Communications has sponsored one of the rides in Tokyo Disneyland, Peter Pan's Flight, which is themed to the Peter Pan's world.[37]
  • Also, the company has presented a ride in Tokyo DisneySea called Jasmine's Flying Carpets which is a ride attraction about the Disney movie Aladdin.[38]


  • A network operator enterprise in North America, NANOG, has been sponsored by NTT Communications, and NTT Com agreed to support NANOG's three specific events including NANOG 70 held in Bellevue, Washington from 5 to 7 June 2018, NANOG71 scheduled in San Jose, California on 2–4 October and NANOG 72 which took place from 5 to 7 February in Atlanta, Georgia.[39]

See also[edit]


  1. ^ "Board of Directors and Executive Officers". NTT Communications. Retrieved 11 January 2024.
  2. ^ "NTT Communications". ntt.com.
  3. ^ "NTT Com security service will visualize & detect risks in factory control systems". www.ntt.com (in Japanese). Retrieved 9 August 2022.
  4. ^ "NTT Joins the Joint Audit Cooperation (JAC) along with Telecommunications Carriers of the Global ICT Supply Chain". www.businesswire.com. 28 July 2022. Retrieved 9 August 2022.
  5. ^ "State-of-the-art technology practices in corporate communications and global talent operations – building and activating a cognitive enterprise (NTT Communications case study)" (PDF). doi:10.24818/RMCI.2020.2.136 (inactive 31 January 2024).{{cite news}}: CS1 maint: DOI inactive as of January 2024 (link)
  6. ^ Hayashi, Koichiro (1997). "NTT's transformation: From public telephone operator to major multimedia enterprise". Telecommunications Policy. 21 (2): 101–111. doi:10.1016/S0308-5961(96)00072-9. Retrieved 28 September 2020.
  7. ^ "Japan to review NTT to enhance competition". Jiji Press English News Service. Retrieved 28 September 2020.
  8. ^ "0033 SAMURAI Mobile". ntt.com. Retrieved 30 September 2020.
  9. ^ "NTT Communications: NTT Communications announces future plan of data center business". ProQuest Central. Retrieved 30 September 2020.
  10. ^ a b "InterWise Announces License Agreement With NTT Communications Corporation For ASP Services and Cross-Enterprise Solution". ProQuest. Retrieved 10 November 2020.
  11. ^ "NTT Communications to Support Revival of Japan Data Firm Crosswave". Gale General OneFile. Retrieved 3 October 2020.
  12. ^ "NTT Com wins world communication award for best customer care". Gale General OneFile. Retrieved 3 October 2020.
  13. ^ "Verio shared hosting platform for Windows provides industry's first multisite capabilities launched in Japan through NTT Communications' OCN Hosting Service". ProQuest. Retrieved 3 October 2020.
  14. ^ "NTT Com buys controlling stake in Frontline Systems". itnews.com.au. 12 May 2011. Retrieved 8 August 2017.
  15. ^ "NTT Australia restructures into one-stop IT shop". computerworld.com.au. 11 November 2013. Retrieved 8 August 2017.
  16. ^ "NTT communications deploys 100Gbps digital coherent technology on transpacific submarine cable". ProQuest. 17 July 2013. Retrieved 3 October 2020.
  17. ^ "NTT Communications wins Best Global Operator at World Communication Awards 2014". Gale General Onefile. Retrieved 10 November 2020.
  18. ^ "NTT Communications amed a leader in 2017 Gartner Magic Quadrant for Managed Hybrid Cloud Hosting, Asia/Pacific, for third year in a row". ntt.com. Retrieved 3 October 2020.
  19. ^ a b "NTT Com confirms possible information leak due to unauthorized access". ntt.com. Retrieved 3 October 2020.
  20. ^ Miyazaki, Kumiko; Giraldo, Evelyn (2015). "Innovation strategy and technological competence building to provide next generation network and services through convergence - the case of NTT in Japan". Asian Journal of Technology Innovation. 23: 74–92. doi:10.1080/19761597.2015.1019602. S2CID 154207362. Retrieved 10 October 2020.
  21. ^ a b "About NTT Group". ntt.com. Retrieved 10 October 2020.
  22. ^ Sakano, T.; Fadlullah, Z. M.; Thuan Ngo; Nishiyama, H.; Nakazawa, M.; Adachi, F.; Kato, N.; Takahara, A.; Kumagai, T.; Kasahara, H.; Kurihara, S. (2013). "Disaster-resilient networking: a new vision based on movable and deployable resource units". IEEE Network. 27 (4): 40–46. doi:10.1109/MNET.2013.6574664. S2CID 8034982. Retrieved 10 October 2020.
  23. ^ Kodama, Mitsuru (2002). "Transforming an Old Economy Company Through Strategic Communities". Long Range Planning. 35 (4): 349–365. doi:10.1016/S0024-6301(02)00076-6. Retrieved 11 October 2020.
  24. ^ a b c d Tanaka, Eiichi (1997). "The status of Nippon Telegraph and Telephone Corporation (NTT)". Telecommunications Policy. 21 (2): 85–99. doi:10.1016/S0308-5961(96)00071-7. Retrieved 11 October 2020.
  25. ^ a b "Capturing Value from Technology and Challenges to Past Successes: The Case of NTT DATA". TEC Working Paper Series. Retrieved 11 October 2020.
  26. ^ a b c "Here's looking at you". ProQuest. Retrieved 9 October 2020.
  27. ^ "NTT Communications to expand operations in India". Gale General Onefile. Retrieved 10 October 2020.
  28. ^ a b "NTT Communications: PoP Strong in Major Cities in Germany". Gale General Onefile. Retrieved 10 October 2020.
  29. ^ a b c "NTT Com shares secrets to cutting 60% power usage at FDC2". ProQuest. Retrieved 10 October 2020.
  30. ^ a b c "NTT Com launches ASE". ProQuest. Retrieved 1 November 2020.
  31. ^ "Dimension Data creates cloud powerhouse with NTT". ProQuest. Retrieved 11 October 2020.
  32. ^ a b "Deep-learning-based' AI quickly predicts furnace products". Chemical Engineering. 22 September 2017. Retrieved 12 October 2020.
  33. ^ a b c "NTT Communications introduces DRaaS solution in Europe". Gale General Onefile. Retrieved 12 October 2020.
  34. ^ "NTT Communications Bolsters Partnership with Arkadin for Video Conferencing in Japan". Gale General Onefile. Retrieved 12 October 2020.
  35. ^ "The arts, culture, education and sports". ntt.com. Retrieved 11 October 2020.
  36. ^ "McLaren Racing - McLaren-Honda and NTT Communications announce technology partnership". www.mclaren.com.
  37. ^ "Peter Pan's Flight". Tokyo Disneay Resort. Retrieved 11 October 2020.
  38. ^ "Jasmine's Flying Carpets". Tokyo Disneay Resort. Retrieved 11 October 2020.
  39. ^ "NTT communications to serve as sponsor of NANOG". Gale General Onefile. Retrieved 11 October 2020.