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KDDI Corporation

KDDI is a telecommunications company that comprehensively provides all kind of telecom services including Fixed Line for domestic/international, Cellular Mobile as "au" brand, Internet, Broadband-Broadcast with Video-on-Demand, Data-Center, Business Solutions. KDDI is aggressively working towards realization of the Ubiquitous Network Society.
KDDI is now constructing the Ultra 3G Network, combined fixed/mobile network system, incorporating new wireless systems utilizing the next-generation wireless protocol, which will enable ultra fast download, and mobile WiMAX, as well as ADSL and FTTH wired access. Our ultrahigh-speed internet service is utilized by optical-fiber-access lines and high-quality IP-network (CDN).
KDDI takes on the challenge of being "No.1 in customer service" while aiming to achieve sustained growth by balancing "quantitative expansion" with "qualitative improvement" as the oldest international telephone carrier in Japan.