04Relocation of SEJONG TELECOM headquarters to Gwacheon Launch of SEJONG NW through separation of the telecommunications business sector
2012 - 2023
Creation and Innovation
2023
04Launch of the 5G+ specialized network-based digital innovation in the shipbuilding industry.
2021
03Acquisition of Aircode, a broadcasting and T-commerce solution development company, into the Sejong Group.
Established as an official partner with GCP, launching dedicated Cloud Interconnect line services.
01The commerce division is separated as 'Contents Carrier' and incorporated as a subsidiary named Contents Carrier Co., Ltd.
2020
07Selected for the 'Real Estate Collective Investment and Profit Distribution Service' & 'Medical MyData' projects in the Busan Blockchain Regulatory Free Zone.
Established a branch in Vietnam named SEJONG TELECOM VINA CO., LTD.
02Completed the development of 'SER', a blockchain-based smart academic information management platform.
2019
11Completed NIPA technical verification for the blockchain-based smart academic information management platform 'SER'.
07Launched the video commerce beauty platform ‘wallaVU’.
06Merged with JoilECS.
Acquired the used ICT device distribution company ‘Cubiz’.
03Launched the blockchain company builder joint venture 'BBRIC'.
02Released 'Sejong ASP Contact Center' call center solution.
01Unveiled the blockchain mainnet 'BlueBrick'.
2018
10Started selling the simple authentication service 'LoginTalk'.
07Incorporated JoilECS, an electrical construction company, into the Sejong Group.
04Opened the Hong Kong IX PoP.
01Launched the 'SEJONG CCTV' service.
2017
10Begin to sell Sejong Telecom BreachWall Security
07Begin Sejong Pay service
06Launch Sejong Smart Biz Application
03Begin blahblah service
02Begin Sejong Telecom ExpressRoute service
2016
06Launch i-phone version application of Thank You Mobile Fax Launch Mart Yo application
03Begin Sejong Telecom Direct Connect service
01Begin Chabbaeyo service
2015
04
Change mission and CI of Sejong Telecom
02Approval of Onse Telecom and Sejong Telecom business transfer from Ministry of Science and ICT
2014
07Launch group SNS Fence service / Thank You Mobile Fax application
06Open Onse Theme Shop, which is a Korean type WordPress
04Launch Touching, which is a smart membership service
02Launch Global Friend, which is a automatic translation SNS
2013
07Begin Global Acceleration service
2012
12Begin Point Tong Tong application
05Launch MVNO mobile phone Snowman service
2004 - 2011
Change and Innovation
2011
03Join Sejong Group
2009
12Declare official launch of MVNO project team
11Begin 050 Safety Number service
04Begin 1666 main call number service
2008
09Open Onse IDC Bundang Center
2006
10Begin 1677 military officer's collection call service
Change of name from 'Enterprise Networks' to 'Sejong Telecom'
08
Change mission and CI of Onse Telecom
03Secure the right of key telecommunication business for internet call service
2005
07Obtain a license for the Internet Phone (VoIP) period
06Begin wireless internet So1 service
2004
10Secure the right for internet business
1992 - 2003
Growth and Take-Off
2003
12Acquisition of Hansol EyeGlobe ISP Business Division
Selling Internet Data Center (IDC) in Bundang
10Begin International Phone 00747 Service
05Game Operation Outsourcing Services
Launched 1677 Toll-Free Telephone Service
2002
12Begin 1688 directory number service
Open IDC Gangnam Center
aunched Next-Generation Network Service 'Enterprise MAN' Based on Metro Ethernet
11Begin Sshark VDSL service
Change of name to 'Enterprise Networks'
08Begin Manicall service
07Begin Sshark Air service
2001
11Opened C2C Submarine Cable
10Begin Syaphone service
04Completed Global Communication Center Busan Landing Station
03Complete western branch office building construction
2000
11Complete company building construction of Onse Telecom
10Launched 'GNG Matrix' Internet Access Service
08Launched Ultra-High-Speed Internet 'Shark Shinbiro' Service
07
Open Onse Telecom Busan internet data center and internet plaza
Open IDC Bundang Center
03Change of name to 'G&G Networks'
01Listed Sejong Telecom on KOSDAQ
1999
12
Begin long-distance call (083) service
Obtained License for International Telecommunication Line Leasing Service
10Acquired Hyundai Information Technology Company's Internet Service 'Shinbiro' Business Unit and Launched Service
Complete the building construction of Onse Telecom’s Busan branch
09Approved for Concurrent Operation of Exchange Facility Leasing Service
07Registered as a Value-Added Telecommunications Operator
1998
11
Begin Korea’s first communication service between south north Korea
08Complete Yeoju satellite earth station
07
Begin Onse internet phone service (00365)
1997
12Nationwide Optical Communication Network Launched
10Begin international call 008 service
06Secured Business Rights for Domestic and International Line Leasing
1996
08
Obtain the right for international call business
07Complete the establishment of corporation
Change the name of company from Korea Global Telecom to Onse Telecom
03Create a single consortium composed of 8 groups, organize Korea Global Telecom Co., Ltd. (tentative name)
