Computer hardware and software for videoconferencing, namely, for controlling audio, video, communication, user interface and general purpose utilities in videoconferencing applications; videoconferencing hardware [ and software, ] namely, [ computer software and ] computer hardware for interactive two-way audio and video communications; videoconferencing equipment, namely, videoconferencing endpoints in the nature of [ telephones, ] speakerphones, [ remote controls, ] [ touch panel displays, ] cameras [ and codecs ] used to place or receive calls over a videoconferencing network; multipoint control units (MCUs), namely, telecommunications and data networking hardware and software embedded therein, namely, devices and software for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; video transceivers, videoconferencing cameras, microphones, audio receivers, audio transceivers, audio speakers, speakerphones; [ remote control devices, namely, remote controls for sending control commands to audio and videoconferencing equipment; connection cables; cables for the transmission of sounds and images; electric connectors; gateway routers in the nature of computer connection, interfacing and control hardware; ] gatekeepers, namely, software residing on a hardware platform for intelligent management of IP telephony and video communication networks; multi-conferencing units, namely, audio and videoconferencing equipment for single or multiple conferences among or between multiple parties comprised of telephones, speakerphones, remote controls, touch panel displays, cameras and codecs; converters; videoconferencing telephones, namely, telephones for audio only or audio plus video conferencing; audio speakerphones; devices for video encoding and decoding codes, namely, hardware and software for information compression and decoding