Quadgate Co., was established on march,2005, with focus on multimedia communication solution without the limitation of any time and space, through a diverse media by means of video, voice and broadcasting and application program.1. A category of business1) software development for multimedia communication, asp&sales2)consulting, providing IP networking, security, storage, networking equipments2.03,2005 established corporation/quadgate Co.,ltd3. Headquarter locatationRoom 501, e-biz center 2, guro-dong, guro-gu, Seoul, Korea4. Business, R & d team, technology1) development of communication software: Online conference, online presentation, e-learning(1)online conferenceCustomers can communicate with remote participants using voice, video and textMessage in real-time internet environment. The more maximum 1000 participants can join to conference simultaneously.(2)presentation & seminarCustomers can take part in the presentation and seminar session for online sales, training for new products, training, marketing event. All participants can use white board, and can do document sharing, web sharing and application sharing such as microsoft office, hanguel (korean language) in real-time.2) lead networking technologies(1) packet voice including ss7, VOIP, sip, IPTelephony, convergence networking(2)atm, optical & IP networking, security, storage networking