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2015 09 The prize for best international calling app, The Master Consumer Confidence Of Korea Brand Awards 2015
07 Launching of OTO Free Roaming app
04 Cooperating on distribution of the service via SK Planet Gift cards
03 Signing of the MOU with GS & POINT
Signing of the distribution contract for PINs for OTO pre-paid cards with Flitto
Signing of the service providing contract with COOP Marketing
2014 12 Cooperating with OKcashbag Service
Launching of Telink Service in Japan
11 The prize for best international calling app, App Awards Korea 2014
04 Launching of PlayOTO app
Signing of the MOU between Guus Hiddink Foundation and PlayOTO, Appointment as IT Adviser
Appointment as IT Adviser for Korea Council of Sport for All
2013 12 Certified as Venture Company (Small and Medium Business Administration) Korea 2013
11 Launching of OTO CU Credit
07 Strategic distribution partnership with Softbay Japan (the leader SI company in Japan)
02 Strategic partnership with Cyberpass Japan (the leading company in network solution industry)
2012 10 Enter into business partnership with UNICOI SYSTEMS
09 OTO Global International Call opens the service for 45 countries
OTO Global International Call opens international SMS
08 OTO Global International Call opens mVoIP service
06 Relocation (From Nonhyenon-dong, Gang Nam, Seoul To Sinsa-dong, Gangnam, Seoul)
04 Registered as "INNO-BIZ"
2011 12 Launch OTO Global International Call Application
11 Acquire special category telecommunications advance payment calling business right
05 Registered as a special category telecommunications operator
2010 12 Relocation (From An Yang-si, Gyeonggi-do To Nonhyeon-dong, Gangnam-gu, Seoul)
10 Launch OTO Free International Call Application
Registered as Laboratory affiliated with corporation
08 Launch free international calling service on a smart phone / prepaid card calling service
07 Launch LA - ISP and VoIP network business in America
05 Registered as a venture business (Korea Technology Finance Corporation)
Sign the exclusive distributorship agreement with OPENVOX - Supply Voice Board in Korea
2009 10 Pass conformance test at SK-Telink, IP-PBX BMT, KT, LGDACOM, SKBB
04 Change the company name to OPENVACS
2007 05 Sign VoIP Technology Agreement and the MOU with CROFOS NETWORKS
04 Establish a branch company at Wuxi(Museok) in China for ISP and VoIP network business ( Agencies in Simcheon, Simyang, Kwangju, Sujo, Chungdo)
Sign MOU with Myung Coopetition holdings in VoIP business
2006 06 Philippine Bayan Telecommunications, Inc. – sign voice contents solution supply and service contract
01 Philippine PLDT telecommunications, Inc. – sign voice contents solution supply and service contract
Sign agreement with Philippine Core Info Tech Service Co. supplying MIP/MCP contents solution
Certified as a venture business starts portal support company at Seoul Business Agency
2005 12 Participate in establishing contact center of National health insurance corporation (Extension of a central concentrated web fax and interlocking contact center)
09 Sign a technology agreement with Innovation IT - TM center outbound dialer solution
07 Sign a technology agreement with HYUNJIN.COM CO. - Supply a central concentrated web fax solution
06 Registered as a software business operator at Korea software industry association
2004 10 Establish CO SOFT