Digital telecommunication networks for digital radio communication networks, namely, telecommunication digital switches; computer equipment, namely, input and output interfaces and peripherals for such telecommunication digital switches, particularly for Internet telephony, gateways, inter networks, call center servers, multiplexers, demultiplexers, network controllers; computer software for operating and managing telecommunication digital switches; computer terminals; telephone terminal; apparatus for communication, emission, reception, exploitation of data, namely, telephone for use on the Internet, portable terminals, namely personal radio terminals, personal data computer terminals for communication, transmission, reception of voice, image and data and management of telecommunication networks; Inter network gateways, namely routers, interface and interconnection computer units for linking different telecommunication networks; network infrastructure and IP (Internet Protocol) network access interfaces, namely, computer interface boards, graphical user interface software, interface cards for data processing equipment in the form of printed circuits, interface circuits for video cameras, interfaces for detectors, UPI (universal peripheral interface) hardware, UPI (universal peripheral interface) software; computer software for wire, fiber-optic, radio or satellite telecommunication and radio communication networks, particularly software for architecture management, configuration, protection of local or remote networks, for voice, image, data and multimedia communication; apparatus, namely computer hardware and software for protecting access to computer networks and IP mode networks and software for providing secure access to computer networks and IP (Internet Protocol) networks, encryption and decryption software; computer software for architecture, administration and securement for computer networks and IP networks (Protocol and Internet)