Telecommunications equipment, namely, switches, routers, multiplexers, demultiplexers, gateways, servers, modems, telephones, wireless telephones, headsets for telephones, computer terminals; software for managing the communication flows and interactions between terminals and users over telecommunications networks; software for transmitting and receiving voice and/or data over telecommunications networks; software for accessing, managing, securing, operating and/or monitoring telecommunications networks and telephony systems; software for quality control and detection of defaults and incidents in telecommunications networks; software for electronic mail; software for voice messaging; software for processing electronic commerce and electronic payment; software for accounting and billing communications costs; software for analyzing flow, time and costs of communications; software for managing telephone directories; software for confidentiality of communications by identification of the users, by access control, and by encrypting