Definitions for "KDDI"
KDDI CORPORATION is a Japanese telecommunication operator formed in October 2000 through the merger of DDI, KDD, and IDO Corp. KDDI provides mobile cellular services using both the au and the Tu-Ka brands, ISP network and solution services in the DION brand, and long-distance and international voice and data communications services, optical fiber (Triple play services under the brand name Hikari Plus) and ADSL broadband services and IP telephony over copper under the brand Metal Plus.