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Solution Consultant, September 2007 to December 2010

    • TBU

 

    • Mainly working on Unified Communications, especially IP Telephony project

    • IP Telephony Projects

            Samil PricewaterhouseCoopers, October 2006 to March 2007
                Summary: 1500 seats, CCM5.0, MPE1.2, CUPS1.0, IPCX4.5, Unity4.2
                Provide proposal and demonstration of Cisco Unified Communication solution
                Design and provide consulting to build up UC solution for movement of 1500 people in new office
                Build up Call Center by using IPCX with 3rd party Call Center application
                Implement MeetingPlace Express for web collaboration and voice conference
                Implement Presence Server with 300 Personal Communicators

 

            Applied Material and AKT Korea, August 2006 to October 2006, Janunary 2007 to March 2007
                Summary: 600 seats, CCM4.1, Unity4.2
                Design and provide consulting for replacing PBX system with IP T network
                Implement IP Telephony for HQ and 4 branch offices of each company
                Design XML application to build up mobile office environment

 

            Others: TEC Korea (150 seats), Gale Korea (50 seats), Lehman Brothers Korea (200 seats), BP Korea (90 seats), Symantec Korea (180 seats)

 

    • Advanced Technology Projects
            Cisco Korea, January 2007 to February 2007
                    Implement Cisco Telepresence System

 

            Korea Telecom, December 2006 to January 2007
                    Provide consulting and PoC to solve interpretability issues with KT’s Erisson SSW and partners’ VoIP system
                    Implement Nextone SBC (MSX and RSM) and provide hands-on training

 

    • Event Participations
            Networkers 2006, Cisco Video Telephony Solution
            VoIP World 2006, Unified Communication Solution integrated Cisco Presence Server with Microsoft LCS

            VoIP World 2005, Lawful Interception Solution from Verint

Chief Engineer, June 2003 to April 2005
HiSPOT SA, Switzerland
    • Mainly working on designing and implementing of wireless network
    • Developing a captive portal gateway for WiFi Hotspot on embedded FreeBSD system
    • Developing secure HTTP based billing and network monitoring & management system
    • Designing and building a database (MySQL, PostgreSQL) for operation and service

 

Research Engineer, September 2000 to June 2003
Research & Development, Telinker Inc., Korea
    • Mainly working on the development of high-capacity VoIP Gateway based on H.323 / SS7 protocol
    • Provide consulting to vendor and marketing division for constructing VoIP environment
    • Developing several kinds of application server – IVR server, UMS server and so on
    • Designing and implementing the java based billing and management system
    • Designing and building a database (Oracle 8.15 & 9i) for operation and service

 

Education