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(Redirected from Tu-Ka)
'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/kddi (au by KDDI) and the Tu-Ka/kddi (TU-KA by KDDI) 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.
On April 1, 2002, au/kddi launched 3G networks using CDMA2000 1x technology.
On November 28, 2003, au/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/kddi became first carrier that providing EV-DO Rev A service.
au/kddi has been very successful with its EZ wireless data services, EZweb, EZweb@mail, EZappli, EZchakuuta, ezmovie, and eznavigation (GPS), using the advanced WAP technology. It supports both Java ME and BREW application environments.
au/kddi is particular popular among students with special discount plans.
In November 2004 au/kddi introduced the music download service Chaku Uta 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/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.
TU-KA, a subsidiary company of KDDI, is a 2G PDC cellular operator which did not apply a 3G license. DDI Pocket, a PHS operator, was previously owned by KDDI but has now been spun off as Willcom. TU-KA is best known for having superstar Ayumi Hamasaki to appear in their commercials.
★ au
★ KDDI Mobile
★ KDDI CORPORATION
★ KDDI CORPORATION
★
★ About KDDI
★
★ Investor Relations
★ KDDI au
KDDI Building in Shinjuku used to be the headquarters of KDD.
'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/kddi (au by KDDI) and the Tu-Ka/kddi (TU-KA by KDDI) 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.
On April 1, 2002, au/kddi launched 3G networks using CDMA2000 1x technology.
On November 28, 2003, au/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/kddi became first carrier that providing EV-DO Rev A service.
au/kddi has been very successful with its EZ wireless data services, EZweb, EZweb@mail, EZappli, EZchakuuta, ezmovie, and eznavigation (GPS), using the advanced WAP technology. It supports both Java ME and BREW application environments.
au/kddi is particular popular among students with special discount plans.
In November 2004 au/kddi introduced the music download service Chaku Uta 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/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.
TU-KA, a subsidiary company of KDDI, is a 2G PDC cellular operator which did not apply a 3G license. DDI Pocket, a PHS operator, was previously owned by KDDI but has now been spun off as Willcom. TU-KA is best known for having superstar Ayumi Hamasaki to appear in their commercials.
| Contents |
| See also |
| External links |
See also
★ au
★ KDDI Mobile
External links
★ KDDI CORPORATION
★ KDDI CORPORATION
★
★ About KDDI
★
★ Investor Relations
★ KDDI au
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