SEJONG networks

SEJONG Networks is The Greatest ICT platform partner that creates synergy by integrating Information and Communication Technology (ICT) with various industrial sectors such as data, network connections, voice, and security.

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  Infrastructure Status

  As a carrier owning optical communication cables installed nationwide, IP backbone, transmission networks, data centers, submarine cables, and a global network, we provide comprehensive telecommunication services optimized for businesses and business environments in a more stable and efficient manner.

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  Corporate Network

  As the unique network-neutral operator in South Korea, we offer high-quality, stable network services at reasonable costs to any location desired by our customers without geographical limitations, through international/domestic/internet dedicated lines, cloud connectivity services, data center leasing and operation, and high-speed network services.

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  Corporate Telephony and Business Solutions

  We provide a variety of enterprise ICT convergence solutions that meet customer needs, including voice value-added services, call centers, and business messaging.

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  Converged Security Solutions

  We are always with you, offering services such as network security and safety management solutions for accident prevention in industrial sites.