Post and telecommunication equipment, namely, copper cables, foam-skin insulated telephone cables, data transmission cables, trunk cable, coaxial cables, control cables, copper drop wire for connecting customer equipment to the central office; terminals, namely, telephones, multi-functional telephones, digital cordless telephones, cardphone telephones; connection equipment and accessories, namely, cable cabinet for the distribution of main telephone cable to the subscriber box, subscriber distribution boxes, cable closures, main distribution frame linking the switching system to the subscriber cable network, and protects the exchange from over voltage of over current by outside plant, optical distribution frame used for final termination or distribution of optical fibers; connection block, namely, vertical block and horizontal block used for connecting cable pairs from exchanges; accessories for optical cable distribution network, namely, optical distribution box, optical cable closures; power supply equipment, namely, power supply system comprised of different independent electrical power supplies, independent electrical power supply supplying stable electrical energy for telecommunication equipment; photovoltaic solar cells; lightning protection equipment with easy and simple installation, namely, charge dissipation terminals, early streamer emission terminals, lightning strike counters, conventional air terminals and bases, and lightning protection conductors used for direct strike lightning protection, actively capturing lightning strikes to earth, protecting large areas, protecting lightning transferring on power lines, protecting equipment from lightning transferring through power lines, shunting out all lightning surges; lightning protection equipment, namely, charge dissipation terminals, early streamer emission terminals, lightning strike counters, conventional air terminals and bases, and lightning protection conductors used for protecting against very short reaction time and data line lightning, preventing the damages caused by lightning against the equipment, and feeder line; lightning protection equipment, namely, charge dissipation terminals, early streamer emission terminals, lightning strike counters, conventional air terminals and bases, and lightning protection conductors used for protecting against subscriber lightning terminal equipment such as telephone, fax machines, and modems when lightning or abnormal voltages induce on the line, lightning protection equipment, namely, charge dissipation terminals, early streamer emission terminals, lightning strike counters, conventional air terminals and bases, and lightning protection conductors used for protecting computer networks used for protecting local area networks (LAN), for connection module used for protecting cables and connectors from abnormal voltage and lightning; computer software for billing customer support system used for billing for various fields in telecommunications; computer software for CABMAN/GIS (cable network management system/geographic information system) specialized in management of telecommunications map information system applying in various other sectors such as geodesy and telecommunications; code open system application software used for enterprise network operators and Internet service providers to offer services such as mail, web hosting, domain name server, and file transferring; computer software for education information system lightning protection equipment, namely, charge dissipation terminals, early streamer emission terminals, lightning strike counters, conventional air terminals and bases, and lightning protection conductors used for protecting, namely, providing clients with various education information-related services through public switched telephone network and Internet, namely, information about student recruitment; computer software used to provide information exchange between school and student's family; software for information and application gateway (infogate) used for services using combination of telecommunication technology, mobile and fixed networks, computer technology and data processing technology; multimedia communication server; security software comprised of fingerprint recognition technology used in various fields such as telecommunications, banking, police and army for controlling access to network and workstation using biometrics methodology, controlling access to applications using biometrics methodology, centrally managing user network and user's access permission system; information management system software used for system expansion, system administration, system information update, information content censor, and security; software for vulnerability scanning and detecting system comprised of operating system, web server, mail server, FTP server, telnet server, and gopher software for organizing and displaying files on Internet servers; software for Internet based training in the field of university entrance examination training tutorial services; customer relationship management software used for keeping customers information as well as their relations with the enterprise, storing contracts signed between the enterprise and the customers, managing users according to their role in the system, reporting on contacts with customer and relation expansion, communicating between the marketing staff and the management group of the company, making statistical analysis reports on market and customer situation; on-line information network software used for providing current news and highly-interactive forums with specialized references for specific issues, events, digital it, football, culture, and the like; web mail software used for providing a large array of features, namely, reading, composing and sending emails via different computers with various attached utilities; postal equipment, namely, postage meters, electronic scales

Advertising, namely, dissemination of advertising for others via the Internet, direct mail advertising; export and import agencies; and retail store services featuring telecommunication materials and equipment, namely, telecommunication switching, transporting systems, and customer premise(s) equipment

Telecommunication services, namely, international long distance telephone services, operator-assisted call telephone communication services, collect call telephone communication services, home country direct long distance services, telephone answering services, telephone services using voice over IP technology, cellular telephone service, paging service, telephone telecommunications services provided via prepaid calling cards, facsimile transmission, communications by teletext machines, telegram transmission service, electronic data transmission service, leased line service supplying the electronic data transmission lines for customers who want to transfer large amount of electronic data, integrated service digital network (ISDN) services, video telephone services that allows the user to see the other party via a screen while talking, domestic and international transmission of video and electronic images, very small apperature terminal satellite transmission services, marine satellite transmission services, Internet access services providing multiple user dial-up and dedicated access to the Internet; telegram transmission in the field of flower delivery; consultancy in the field of telecommunications