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SejongRo 100
110-777 Seoul
Republic of Korea

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kt Internet Data Center

Olleh biz IDC is Internet Data Center establishing all system needs information exchange between information provider such as CP and general internet user based on the KT network.

Started with HyeHwa IDC in 1999, we are the only provider, havs nationwide network (11 IDCs), establish enterprise computer environment and provide customized work and management system so that enterprises can focus on their proper production activities in the nearest place anywhere in all over the country.


kt, leading the development of the information and communications industries of Korea since its foundation in 1981. Quadrupling the number of fixed lines in 12 years.
Expanding 4.5 million fixed lines to 20 million in just 12 years, kt introduced universal telephone service to every citizen of Korea, leading the development and advancement of communications services. More recently, kt established an advanced broadband network for the first time in Asia, and launched Korea's first communication satellite 'Mugunghwa (Sharon's Rose)', contributing to making Korea one of the most advanced countries in information and communications. More than just fixed lines, into the wireless internet business.
As becoming a government-funded corporation in 1997, kt changed its business portfolio by focusing more on wireless and internet services instead of fixed lines. Taking over Hansol and merging with its subsidiary KTF, kt expanded its business scope and included mobile communication as its main service. kt became a privately owned company in 2002 and began concentrating on building broadband network. As a result, the company set several new records including the increase of ADSL subscribers to 6 million in just 3 years and played a leading role in the age of digital networking. A growing corporation, prepared for the age of convergence
kt will continue to make efforts to play a leading role in the global market and become a trustworthy company by fulfilling corporate responsibility and ensuring quality service and technology in the age of convergence where voice and data, fixed and mobile, and communications and broadcasting services are converged. Global kt
Meanwhile, kt also became a global corporation by tapping into overseas markets. In particular, kt's mobile subsidiary NTC enlisted more than one million subscribers in 2007 in Primorsky Krai, Russia and was selected as the best corporate in social contribution in the Russian province. In 2009, kt merged with KTF to keep pace with the global trends of fixed/mobile convergence and entered the new era of convergence, following those of CDMA and ADSL.


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