DOCOMO Establishes Task Force to Improve Network Infrastructure


TOKYO, JAPAN, December 26, 2011 ---NTT DOCOMO, INC. announced today that, as of yesterday, it established a “Task Force for Improvement of Network Infrastructure,” headed by President and CEO Ryuji Yamada, in response to a malfunction of the company’s sp-mode™ mail service for smartphones that occurred on December 20, 2011.

The company, once again apologizing deeply to customers for any inconvenience caused by the malfunction, is now taking steps to ensure that customers can use its network infrastructure with maximum ease.

  1. Name of New Organization
    Task Force for Improvement of Network Infrastructure
  2. Purpose
    To support the realization of a highly advanced network capable of responding to the rapid increase in smartphone users, the task force will lead all departments of the company in devising and implementing measures to stabilize network operations and upgrade network capabilities across all departments.
  3. Structure
    Head: President and CEO Ryuji Yamada
    Deputy Head: Senior Executive Vice President Kiyoyuki Tsujimura
    Members: All board members above executive vice president level, and heads of all relevant units
    (Total: 38 people)
  4. Key Measures
    • To respond to rising traffic due to increased smartphones.
    • To handle traffic bursts in emergencies.
    • To strengthen connections between terminals, network facilities and sp-mode servers, etc.
    • To reexamine capabilities of network facilities and sp-mode servers, etc.
    • To reexamine network-related procedures.
    • To standardize processes when terminals request reconnection following a communication failure.
  5. Date of Establishment
    December 25, 2011
NTT DOCOMO is a world-leading mobile operator that is in transition into an Integrated Service Company placing mobility at the core. The company serves over 59 million customers in Japan via advanced wireless networks, including a nationwide 3G network and one of the world’s first commercial LTE networks. Leveraging its unique capabilities as a mobile operator, DOCOMO is a leading developer of cutting-edge technologies for NFC mobile payments, mobile GPS, mobile TV, intuitive mobile assistance, environmental monitoring, smart grids and much more. Overseas, the company provides technical and operational expertise to eight mobile operators and other partner companies. NTT DOCOMO is listed on the Tokyo (9437), London (NDCM) and New York (DCM) stock exchanges. Please visit for more information.

sp-mode is a trademark or registered trademark of NTT DOCMO, INC. in Japan.
sp-mode is only available to subscribers in Japan.

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