KDDI Corporation (KDDI株式会社, KDDI Kabushiki Gaisha?) (TYO: 9433) is a Japanese telecommunications operator formed in October 2000 through the merger of DDI Corp., KDD Corp., and IDO Corp.[2] It has its headquarters in the Garden Air Tower in Iidabashi, Chiyoda, Tokyo.[3]
KDDI provides mobile cellular services using both the "au by KDDI" brand.
ISP network and solution services in the au one net brand, and long-distance and international voice and data communications services, Fiber to the Home (FTTH) services under the brand name "Hikari One" and ADSL broadband services under the brand name "ADSL One" and IP telephony over copper under the brand "Metal Plus."
On April 1, 2002, au by KDDI launched 3G networks using CDMA2000 1x technology.
On November 28, 2003, au by KDDI launched EV-DO Rev 0 service in the "CDMA 1X WIN" brand, and revolutionized Japan's mobile telecommunication industry by introducing fixed rate data subscription plans at a data rate of 2.4 Mbit/s.
On December, 2006, au by KDDI became the first carrier to provide an EV-DO Rev A service at a data rate of 3.1Mbit/s (downlink), 1.8Mbit/s (uplink).
au by KDDI has been very successful with its EZ wireless data services, EZweb, EZweb@mail, EZappli, EZchakuuta, ezmovie, and EZnaviwalk (GPS), using the advanced WAP technology. It supports both Java ME and BREW application environments.
In November 2004 au by KDDI introduced the music include ringtone download service Chaku Uta Full (music ringtone full), for download of full length songs to mobile phones. Within six months from introduction, on June 15, 2005, customers had downloaded 10 million full length Chaku Uta Full songs.
As of end of June 2005, au by KDDI has 20,122,700 customers, among which 18,723,200 (93 %) are 3G CDMA2000 subscribers. It is Japan's second-largest cellular operator with an increasing 20.0% market share.
On January 26, 2006 the first pointing local search application, Mapion Local Search - Powered by GeoVector, was launched on the KDDI network on their GPS and compass equipped handsets. [1]
Consumer showroom is set in Harajuku called, "KDDI Designing Studio"
TU-KA (TU-KA by KDDI), a subsidiary company of KDDI, was a 2G PDC cellular operator in three metropolitan areas (Tokyo, Nagoya, and Osaka), which did not apply a 3G license. TU-KA was best known for having superstar Ayumi Hamasaki to appear in their commercials. TU-KA was closed in March 31, 2008.
DDI Pocket, a PHS operator, was previously owned by KDDI but has now been spun off as Willcom.
See also
- au
- KDDI Mobile
- G-BOOK, a telematics service provided by Toyota in Japan only
References and footnotes
- ^ History of KDDI KDDI Corporate Information
- ^ Merger of DDI, KDD and IDO
- ^ "Corporate Data." KDDI. Retrieved on February 21, 2010.
External links
| Wikimedia Commons has media related to: Category:KDDI |
| Tokyo portal | |
| Companies portal |
- (Japanese) KDDI CORPORATION
- (English) KDDI CORPORATION
- KDDI au
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Categories: Companies listed on the Tokyo Stock Exchange | KDDI | Telecommunications companies of Japan | Mobile phone companies of Japan | Companies based in Tokyo
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RealWire (press release)
It is a subsidiary of Japanese corporation KDDI , a Global 300 company and is able to offer a global network covering Europe, America and Asia/Pacific.
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japanclouds
hu, 21 Jan 2010 23:47:00 GM
Jan.22 Otsuka made a formal announcement to cooperating in the cloud computing business with . KDDI. which provides software and data services via a network. Otsuka combines the cloud system in their data center and the communications ...
Q. I accidentally changed my password to a new one but have it typed wrong. My phone is Sony Ericsson AU by KDDI W42s I typed a wrong password to it. The involved numbers were 122235566 in the arrangement of 31252625 (supposed to be). maximum of 8 characters. If you think you can involve number 1 as typing failure then please add. List all the possible arrangements.
Asked by Divine - Wed Feb 20 02:08:59 2008 - - 3 Answers - 0 Comments
A. after 3 failed attemps your phone automatically locks up and you will need tocall your service provider for a PUK code after entering it your phone returns to factory setting
Answered by helo pilot cfi - Wed Feb 20 03:27:12 2008
