NTT DoCoMo Registers as Global Certification Forum Field Trial Qualified Operator

Products & Services

TOKYO, JAPAN, June 10, 2005 --- NTT DoCoMo, Inc. announced today that it registered as a Global Certification Forum (GCF) Field Trial Qualified Operator on June 8, 2005. GCF is a partnership between network operators and terminal manufacturers to ensure global interoperability of 2G (GSM) and 3G (W-CDMA) wireless terminals. DoCoMo has been a member of GCF since October 2002.

Field Trial Qualified Operators open their commercial networks to terminal manufacturers to enable them to test the operability of their handsets. DoCoMo is now ready to open its W-CDMA network to support the development of 3G handsets.

GCF has become the leading international forum for 2G/3G testing and certification. GCF certification is widely accepted as a guarantee of the quality and compatibility of GSM-based 2G handsets, and the certification is expected to become increasingly important for W-CDMA 3G handsets as well.

DoCoMo's 3G FOMA® network, which has been certified as a 3GPP-compliant network, is regarded as part of the global W-CDMA network. Registering as a GCF Field Trial Qualified Operator will help DoCoMo further promote the adoption of W-CDMA handsets and networks worldwide.

About NTT DoCoMo
NTT DoCoMo is the world's leading mobile communications company, serving more than 50 million customers. The company offers a wide variety of leading-edge mobile multimedia services, including i-mode®, which provides e-mail and Internet access to over 44 million subscribers as the world's most popular mobile Internet service, and FOMA®, launched in 2001 as the world's first 3G mobile service based on W-CDMA. In addition to wholly owned subsidiaries in Europe and North America, the company is expanding its global reach through strategic alliances with mobile and multimedia service providers in Asia-Pacific and Europe.
NTT DoCoMo is listed on the Tokyo (9437), London (NDCM), and New York (DCM) stock exchanges. For more information, visit

FOMA and i-mode are trademarks or registered trademarks of NTT DoCoMo, Inc. in Japan and other countries.
NTT DoCoMo's FOMA service is only available to subscribers in Japan.

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