Low voltage electrical power suppliers; batteries; battery chargers; telecommunications modems; electrical cables; electric apparatus for communication, namely, rectifiers; recorded computer peripherals for computers; semiconductors; integrated circuits; video telephones; electrical wire and cables; electrical wire for use with telephones; optical data media, namely, optical disks; computer memories; smoke detectors, metal detectors, and radar detectors; measuring apparatus, namely, graduated rulers; stored program-controlled switching systems, namely, stored program controlled telephone switches consisting of switching network module, operation and maintenance module, remote switching module, packet handling module, remote subscriber unit, peripheral switching module and computer programs for telecommunication switches and voice mail and message and computer programs to manage, operate and maintain telecommunication systems and telecommunication networks; pre-recorded laser discs featuring telephone number listings, software for connecting computers to the Internet, and software featuring instruction in installing, using and operating computer hardware and communication devices; electronic apparatus for educational purpose including computer hardware and education software featuring instructing installation, usage, and operation of the educational apparatus; burglar alarm, fire alarms, environmental alarms and personal security alarms; optical communication equipment, namely, Synchronous Digital Hierarchyoptical transport systems, namely, terminal multiplexers, add/drop multiplexers, regenerators and computer programs for managing optical networks, and Dense Wavelength Division Multiplexing transport systems, namely, fiber optical cables, fiber optical connectors, optical multiplexers and demultiplexers, optical terminals, optical line amplifiers, optical add/drop multiplexers, and optical cross connects and computer programs for managing optical networks, optical network management systems and software featured performance, configuration, fault, and security management; devices for automation, namely, computer hardware, computer software for instructing installation, usage, and operation of the associated computer hardware; electro-dynamic apparatus for the remote control of signals, consisting of remote controls for computer hardware; computer monitors; electrical measurement instruments for electrical signals and parameters using microwave, radio frequency or laser; electric verifying units comprised of computer hardware and software for instructing installation, usage, and operation of the units; electric installation for remote control of industrial operations comprised of associated electronic equipments and computer software for instructing installation, usage, and operation of the installation; electrical switches; electricity inverters; transmitters of electronic signals, namely, radio transmitters; telecommunication transmitters, namely, transmission apparatus for communication purposes; radiotelephone sets comprised of cordless telephones, telephone answering machines; recorded computer software for use in database management, for use as a spreadsheet, for controlling process, for protocol processing; telephone sets, namely, telephones, cellular phones, mobile phones, cordless telephones, personal communication service handsets and accessories therefor, namely, AC adapters, data cables, belt clips, battery chargers, batteries; computer hardware and peripheral devices; connectors for communication purposes; information processing engine and central processing device, namely, computer hardware, and central processing units; electronic sensors for electricity; magnetic data media, namely, blank magnetic disks and prerecorded magnetic disks featuring communication and telecommunication educational contents; blank smart cards; data processing apparatus, namely, data processors; videoconferencing systems consisting of intelligent video servers, videoconferencing terminals, namely, video I/O apparatus, audio I/O apparatus, video encoders and decoders, audio encoders and decoders, transport networks and management systems for managing MCU and monitoring all other videoconferencing devices; multipoint control devices for video conference, namely, devices to connect and control at least two videoconferencing terminals; mobile communication systems, namely, GSM systems, CDMA systems, namely, base station system, namely, base station controllers, base transceiver stations; mobile switch system, namely, mobile switching center/visitor location register, home location register/authentication center, and short message service center; mobile stations, wireless terminals, mobile phones, handsets; home location register that is a central processing unit in mobile communication systems for storing the visitor's data integrated by computer hardware and software for instructing installation, usage, and operation of the register; base station controller consisting of switching, embedding computer and peripheral hardware and software for system operation, database and service processing; base Transceiver Station consisting of carrier processing module, common controlling module hardware and software for signal processing, system operation and application; centralized monitoring system for dynamic equipment and environment comprised of computer hardware and computer software for instructing installation, usage, and operation of the register; electrical environment monitoring apparatus integrated by computer hardware and software for instructing installation, usage, and operation of the register; access devices, namely, access servers, wireless access servers, network manage systems; IP telephony gateway, namely, access apparatus consisting of media gateway, media gateway controller, and gate keeper used for voice and facsimile between public switched telephone network and Internet