Multimedia communication Protocol : SIP, H.323, MGCP
Video/voice codec design and control
Original H/W and S/W design and realizationSystem design and operation
DVR/CCTV system design and control
Subscriber network design : FXS, FXO, E1/T1 MoIP gateway design
Network switch
H/W technology
L2/L3 switch and switch Hub design
Gigabit Ethernet design S/W technology
PPPoE, DHCP, NAPT, NTP, RIP, IGMP
etc.
Wi-Fi Application
Wireless circuit technology(Amplifier, Filter)
Wi-Fi protocol design and control
Wi-Fi security and subscriber management(IEEE802.1x)
W-Fi tester technology(calibration)
Self-developed Access Point Software
