Digital switching networks comprising digital private branch exchanges, telephones for use over the internet, media gateways for linking different telecommunication networks, communication servers (computer hardware), including voice servers and call servers, multiplexers, demultiplexers, telecommunications networks controllers and managers; digital PBX; input and output interfaces and peripherals for such PBX, particularly telephone on the Internet, internetworks gateways, call center servers, multiplex, demultiplex, network controllers and managers; application, use and management software for such PBX's, namely utility software for managing software tools for digital private branch exchanges of telecommunication networks, office application software for managing telecommunication functions from a user's computer in a telecommunication network, application operating software for managing digital private branch exchanges in a telecommunications network; radio terminals, computer terminals; stationary or movable stations, namely stations for use in relation to telephony, and telecommunications, including telecommunication by secure digital radio and via satellite communications comprising transceivers and controllers for relaying communications; communications, transmission, reception and management apparatus in the nature of apparatus for use in relation to telephony and telecommunications, including telecommunication by secure digital radio and transmission by satellite communication; internetwork gateways; network infrastructure and access interfaces; IP mode networks (Internet protocol); software; all such goods for digital radio communications networks.

Telecommunications services, namely providing connectivity between switch and customer's PBX facility and computerized communications services, namely establishing telecommunications connections to computer networks and providing file server hosting services for the purpose of transmission and reception of electronic mail, voice, video, graphics and text.

Research, development and adaptation of telecommunications networks and radiocommunications networks