December
Win "The first information protection award" hosted by Ministry of Information and Communication
1998
May
Prism Communications Co., (Prism) established.
1999
February
KDDI corporation invests 200 million dollars. (The first foreign invested VAN provider )
May
Telecommunication service for enterprises starts
2000
March
8.2 billion Won internal capital investment in existing business expantion and new business development.
November
6 companies such as Softbank Ventures additionally invests 6.5 billion Won in IDC business
3rd generation data center "Intelligence Center" opens.
2001
January
Recognized as a corporate research institute
March
Official register by Ministy of Finance .
Doosan group company invests 10 billion Won
April
"Intelligence Center" is selected as the IDC provider for “B2B e-grand consortium”
June
Prism is selected as Best-Selling Product of Digital TIMES of first half 2001
September
A strategic partnership with MicroSoft on online education and technical support.
December
"Intelligence Center" is selected as a reccomended IDC product of 2001 at Electronics News Paper.
2002
March
Win IT diagnose and consulting project "Teghyo".
June
Receives customer satifaction award of Best-Selling Products of Digital TIMES of first half 2002
KDDI Korea data center is selected as a reccomended IDC product of 2002 at Denshi News Paper.
December
Win "The first information protection award" hosted by Ministry of Information and Communication
July
Receives the security certification BS7799.
2003
December
Prisim concludes a contract of transfer of core system with Doosan
July
Prism and trend micro Korea opened dedicated computer virus infection prevention center
March
A disastery recovery drill is conducted.
February
Hosts1.25 security conference for compromising into Internet
2004
May
Woongjin IT diagnosis consulting service starts
October
VoIP service starts
December
Concludes IT outsoucing contract with Doosan
2005
March
INMARSAT service starts
2006
September
Call Center service starts
2008
January
GPEN(Global Powered Ethernet) service starts
November
Win IPT construction project with Korean citi bank
December
Revenue of KDDI Korea exceeds 30 billion Won.
2009
June
Prism is merged with KDDI Korea.
TELEHOSE SEOUL business development
2011
December
Revunue exceeds 55 billion Won
2012
June
Build VQMS to improve Voice service
August
Inmarsat VSAT, BGAN and International call application service started.
September
IP-VPN Ethernet Node building project
2013
July
Global Network VPLS(Virtual Private LAN Service) starts
September
Centrex system is installed to stabilize VoIP quality
December
Revunue exceeds 70 billion Won
2014
May
Public research service starts
September
Build Soft Switch system to stabilize Voice service quality
December
Changed the finance year-end from 31st December to 31st March.
2015
April
Concluded ASP service contract with Korea ACE fire insurance call center
2016
October
data center "Mapo Center" opens.
2018
March
MVNO service starts
2020
October
Simple Call Center service starts