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Milestone

SEJONG Networks has always been a part of the beginning and
growth of South Korea's telecommunications history.

  • 2024.4.1
    Launch of
    SEJONG Networks
  • 2022
    Released AI Voice Convergence Platform
    AI Designated Driving Call Center, LBS Mobility, etc.
  • 2021
    Signed an official partnership with GCP
    Launched Cloud Interconnect dedicated line service
    Entered strategic cooperation &
    transferred Yeoksam/Busan data centers
    with Asia's digital infrastructure company 'DigitalEdge'
  • 2018
    Launched APT security solution service
    Opened Hong Kong IX POP
  • 2017
    Signed official partnership with MS AZURE
    Launched ExpressRoute Service
  • 2016
    Established official partnership with AWS
    Launched Direct Connect Service
  • 2015
    Renamed to SEJONG TELECOM
    Integrated telecommunications business under SEJONG GROUP (Acquisition and Transfer)
  • 2011
    Onse Telecom incorporated into Sejong Group
  • 2009
    Launched 050 Safe Number Service
  • 2008
    Opened Bundang Internet Data Center (IDC)
  • 2007
    Former Enterprise Networks (EPN),
    Incorporated into Sejong Group as 'SEJONG TELECOM' through a name change
  • 2006
    Secured carrier license for Internet Telephony Service
    Launched 1677 Military Personnel Collect Call Service
  • 2005
    Acquired Carrier License for Internet Telephony (VoIP)
    Launched Wireless Internet Service 'SoWon'
  • 2002
    Opened Yeoksam Internet Data Center (IDC)
    Launched 1688 Directory Assistance Service
    G&G Telecom renamed to Enterprise Networks
  • 2001
    C2C Submarine Cable Inauguration
    Completion of Busan Land Station
  • 2000
    Listed on the KOSDAQ market
    Launched high-speed internet 'Shark Sinbiro'
  • 1999
    Started Long-Distance Telephone Service (083)
  • 1998
    Initiated the first-ever communication service between South and North Korea
    Launched International Internet Phone Service (00365)
  • 1997
    Nationwide Optical Communication Network Launched
    Secured business rights for International Calls (008), Long-Distance Calls, and International Line Equipment Leasing
  • 1996
    Establishment of Onse telecom (International Calls)
    Establishment of G&G Telecom (Dedicated Lines)
    Acquisition of Major Communications Business License
    Securing International Call Service Rights
    Acquisition of License for Electric Telecommunications Facilities as a Historic Mission Operator