Electric, electronic, optical, measuring, signaling, controlling and teaching apparatus and instruments, all for use with telecommunications, namely, apparatus for producing sound, images or data; blank magnetic and optical data carriers; data processors and computers, namely, microcomputers, minicomputers and computer central processors; computers and instructional manuals sold as a unit; computer interface apparatus, namely, computer modems; computer programs and databases for use in operating telecommunications and business management systems and related instruction manuals sold as a unit; computer programs, namely, software used for the provision of online information services in the field of telecommunications, software for network access control and for creating and maintaining firewalls; computer programs for accessing a global computer network and interactive computer communications network; audio, video and data communications systems, namely, digital and analogue signal transmitters; receivers and converters for use with telephone, audio and video; radio and telephone transmitters; communication receivers and servers for telephone, audio and video; stationary, wireless and cellular telephone systems and answering machines; telecommunication transmission, receiving and storage apparatus, namely, transmitting sets, data transmitters and facsimile machines; electronic mail apparatus for electronic exchange of data, images and messages; remote controls and set-top units for television; magnetically encoded telephone calling cards and blank smart cards; teleconferencing equipment, namely, telephones, telephone sets with screens and keyboard, video cameras; audiovisual teaching equipment, namely, multimedia projectors, video cameras; intercoms; telephones, telephone switches, telephone answering machines, telephone apparatus for configuring local area telephone networks, telephone wires, teleprinters, radio telephone equipment and accessories, namely, call boxes and systems, telephone units and audio operated relays; wireless and cellular telephones, pagers; personal communications equipment, namely, personal digital assistants (PDA); calculators and related computer peripherals