2015 Grand prize in the international phone category, a representative consumer trust brand Launching of OTO Free Roaming app Cooperating on distribution of the service via SK Planet Gift cards Signing of the MOU with GS & POINT Flitto OTO prepaid PIN distribution contract COOP Marketing electronic ticket service contract

2014 OK cashbag service partnership Telink Japan service launched App Award Korea 2014 App of the Year International Call Category Grand Prize Winner Launch of PlayOTO APP Signed MOU with Guer Hiddink Foundation and PlayOTO, appointed as IT advisor Appointed as IT advisor to the National Life Sports Council

2013 2013 Korea Venture Small and Medium Business Administration Director Award OTO CU Credit launched Strategic solution supply agreement with Japan’s Softbay (No. 1 SI company in Japan) Strategic partnership agreement with Japan’s Cyberpass (Japan’s No. 1 network solution company)

2012 OTO & Unicoy Systems partnership signed OTO global international calling service opened in 45 countries OTO global international calling and international text message service opened OTO 글로벌국제전화 mVoIP 서비스 오픈 Relocation of business location (Nonhyeon-dong, Gangnam-gu, Seoul -> Sinsa-dong, Gangnam-gu, Seoul) Registered as a technologically innovative small business (INNO-BIZ)

2011 Launch of OTO Global International Call APP Acquired special Communications prepaid call business license Registered as a special telecommunication business operator (No. 2)

2010 Relocation of business site (Anyang, Gyeonggi-do -> Nonhyeon-dong, Gangnam-gu, Seoul) OTO free international calling APP launched Registered as a company-affiliated research institute Launch of smartphone free international calling service/prepaid card service LA, USA - Launch of ISP and VoIP network business Registered as a venture business (Korea Technology Finance Corporation)) Korean distributor agreement with OPENVOX - Voice Board supply

2009 SK-Telink IP-PBX BMT (also passed KT, LGDACOM, SKBB consistency test)) Changed to OpenVex Co., Ltd.

2007 Cropos Networks VoIP technology agreement and MOU contract Established branch in Wuxi, China - ISP and VoIP network business (Shenzhen, Shenyang, Gwangju, Sujo, Qingdao agency) Sign MOU with Myung Coopetition holdings in VoIP business

2006 Philippine Bayan Telecommunications, Inc. – sign voice contents solution supply and service contract 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 Participate in establishing contact center of National health insurance corporation (Extension of a central concentrated web fax and interlocking contact center) Sign a technology agreement with Innovation IT - TM center outbound dialer solution Sign a technology agreement with HYUNJIN.COM CO. - Supply a central concentrated web fax solution Registered as a software business operator at Korea software industry association

2004 Establish CO SOFT