Computers; computer peripheral devices; computer operating programs; computer application software used for Internet administration, embedded operating system of network management apparatus, Internet protocol stack of network management apparatus, terminal software used together with network apparatus in the communication field; authentication and counting software in the network management field; security management software used for VPN (Virtual Private Network); telephone apparatus, namely, Ethernet phone, WLAN phone, IP (Internet Protocol) phone gateway; IP (Internet Protocol) phone gatekeeper; and Internet meeting system comprising Internet phone meeting terminal and MCU (Multipoint Control Unit); Optical communications apparatus, namely, SDH, (Synchronous Digital Hierarchy), PDH (Plesiochronous Digital Hierarchy), PON (Passive Optical Network), and WDM (Wavelength Division Multiplexing); optical modems, namely, optical transceiver; data processing apparatus, namely, routers, switches, and integrated access platforms; phonic devices, namely, media gateway, signaling gateway, trunking gateway, application server, soft switches; security products namely, Internet firewall, VPN (Virtual Private Network) gateway; digital certificate authority server and client port, XDSL (Digital Subscriber Line) access modems, multi-media shuttle server and terminal server; modems, integrated circuit cards; transmitters for electronic signals

Communication services, namely, sending messages, communication by computer terminals, computer aided transmission of messages and images, rental of message sending apparatus, rental of modems

Computer programming and computer software design for others, updating of computer software, renewal of computer software, consultancy in the field of computer hardware, recovery of computer data, maintenance of computer software, computer systems analysis, providing a data base for use of Enformix, SQL Server and others