NTT Communications

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NTT Communications Corporation
HeadquartersTokyo, Japan
Key people
Tetsuya Shoji, President & CEO[1]
SubsidiariesNTT America
NTT Europe Ltd
NTT Resonant
emerio (in Japanese) (in English)
Primary ASN2914
NTT Hibiya building

NTT Communications (エヌ・ティ・ティ・コミュニケーションズ株式会社, Enutiti Komyunikēshonzu Kabushiki-gaisha), or NTT Com, is a subsidiary of Nippon Telegraph and Telephone (NTT) Corporation, the largest telecommunications company in Japan and one of the largest worldwide.[2] NTT Com provides network management, security and solution services[3] to consumers, corporations and governments.

NTT Com Group has more than 30 companies in the Asia-Pacific region, Europe and the Americas.[4]

As of 1 July 2019, NTT Communications and its subsidiaries became part of NTT Ltd., which is the de facto holding company of NTT.[5]


NTT Communications was established in 1999 as a subsidiary of Nippon Telegraph and Telephone Corporation (日本電信電話株式会社, Nippon Denshin Denwa Kabushiki-gaisha).[6] It is the principal NTT subsidiary engaged in long-distance and international telecommunications services.[7]

In May 2011, NTT purchased 70% of Frontline Systems, an Australian IT services provider.[8] In October 2013 it merged Frontline Systems with NTT Australia to form NTT ICT.[9]


NTT Com consists of the following major subsidiary companies:

  • Arkadin
  • Emerio
  • Netmagic Solutions
  • NTT Brazil
  • NTT Com Asia - the East Asia headquarters of NTT Communications.[10][11] It is responsible for the Hong Kong, Macau, Taiwan and Korea markets, as well as managing its wholly owned subsidiary HKNet. It employs over 380 staff.
  • NTT Com Security (ex Integralis)
  • NTT Com Thailand
  • NTT Communications India Private Limited
  • NTT Communications Russia
  • NTT Europe Ltd - founded in 1988 and has its headquarters in London, UK with branch offices in many European locations
  • NTT ICT (Australia)
  • NTT Resonant
  • NTT Singapore
  • NTTCom Managed Services
  • OCN or Open Computer Network
  • Verio
  • Virtela

Products and services[edit]

Machine-to-Machine (M2M) A secure worldwide available mobile service called M2M was started in Hong Kong and Thailand on 30 Jan 2015, and then the service has been expanded gradually in other global markets. Today, the Machine-to-Machine network is available in around 200 countries/regions. [12]

See also[edit]


  1. ^ "About Us: Board of Directors". NTT Communications. Retrieved 22 December 2011.
  2. ^ "Nippon Telegraph & Telephone". Fortune. Retrieved 19 August 2017.
  3. ^ "Global ICT Services Provider - NTT Communications".
  4. ^ "Group Companies" Archived 21 March 2012 at the Wayback Machine. NTT Communications. Retrieved 9 April 2012
  5. ^ "NTT picks London for newly formed global business". Retrieved 10 July 2019.
  6. ^ "The NTT Group: Thirty Years of History". Archived from the original on 8 May 2016. Retrieved 22 July 2016.
  7. ^ "About NTT Group". Retrieved 22 July 2016.
  8. ^ "NTT Com buys controlling stake in Frontline Systems". 12 May 2011. Retrieved 8 August 2017.
  9. ^ "NTT Australia restructures into one-stop IT shop". 11 November 2013. Retrieved 8 August 2017.
  10. ^ Perez, Bien (9 August 2017). "NTT unveils Hong Kong's first 'financial data centre'". South China Morning Post. Retrieved 9 August 2017.
  11. ^ "Archived copy". Archived from the original on 14 October 2014. Retrieved 19 August 2017.CS1 maint: archived copy as title (link)
  12. ^ "Machine-to-Machine(M2M)". NTT Communications Go the Distance. Retrieved 8 October 2020.

External links[edit]