History

2012 ~ Present

2018
  • 01.

    Release SEJONG CCTV

2017
  • 10.

    Begin to sell SEJONG Telecom BreachWall Security

  • 06.

    Begin SEJONG PAY service

    Launch SEJONG Smart Biz Application

  • 02.

    Begin SEJONG Telecom ExpressRoute service

2016
  • 06.

    Launch i-phone version application of Thank You Mobile Fax

    Launch Mart Yo application

  • 03.

    Begin SEJONG Telecom Direct Connect service

  • 01.

    Begin Chabbaeyo service

2015
  • 08.

    Begin Plura service

  • 04.

    Change mission and CI of SEJONG Telecom

  • 02.

    Approval of Onse Telecom and SEJONG Telecom business transfer from Ministry of Science and ICT

2014
  • 07.

    Launch group SNS Fence service / Thank You Mobile Fax application

  • 06.

    Open Onse Theme Shop, which is a Korean type WordPress

  • 04.

    Launch Touching, which is a smart membership service

  • 02.

    Launch Global Friend, which is a automatic translation SNS

2013
  • 10.

    Move to Gangdong new office building

  • 07.

    Begin Global Acceleration service

2012
  • 12.

    Begin Point Tong Tong application

  • 05.

    Launch MVNO mobile phone snowman service

2004 ~ 2011

2011
  • 03.

    Join SEJONG Group

2009
  • 12.

    Declare official launch of MVNO project team

  • 04.

    Begin 1666 main call number service

2008
  • 09.

    Open Onse IDC Bundang Center

2007
  • 08.

    Change mission and CI of Onse Telecom

2006
  • 09.

    Complete company reorganization procedure

  • 03.

    Secure the right of key telecommunication business for internet call service

2005
  • 06.

    Begin wireless internet So1 service

2004
  • 10.

    Secure the right for internet business

1992 ~ 2003

2003
  • 08.

    Begin 1677 collect call number service

2002
  • 12.

    Begin 1688 directory number service

  • 08.

    Begin Manicall service

2001
  • 12.

    Achieve initial surplus after business opening

  • 10.

    Begin Syaphone service

  • 03.

    Complete western branch office building construction

2000
  • 11.

    Complete company building construction of Onse Telecom

  • 07.

    Open Onse Telecom Busan internet data center and internet plaza

  • 01.

    Listed SEJONG Telecom on KOSDAQ

1999
  • 12.

    Begin long-distance call (083) service

  • 10.

    Complete the building construction of Onse Telecom’s Busan branch

1998
  • 11.

    Begin Korea’s first communication service between south north Korea

  • 08.

    Complete Yeoju satellite earth station

  • 07.

    Begin Onse internet phone service (00365)

1997
  • 10.

    Begin international call 008 service

  • 02.

    Confirm identification number of international call as 008

1996
  • 08.

    Obtain the right for international call business

  • 07.

    Complete the establishment of corporation

  • 07.

    Change the name of company from Korea Global Telecom to Onse Telecom

  • 03.

    Create a single consortium composed of 8 groups, organize Korea Global Telecom Co., Ltd. (tentative name)

1992
  • 06.

    Establish corporation