Computer hardware and software for facilitating scheduled and ad-hoc teleconferencing for telecommunications gateway applications, namely, audio and video conferencing via local area networks and via a global computer network, for audio and video streaming, for data collaboration and database integration, for web-based collaboration, and for interactive voice response applications; global communications network server applications software for scheduling time of conference, number of conference participants and length of conference, for controlling various capacities of conference participants, namely, ability to limit participation, and mute and disconnect participants, for administering duration and cost of conference calls and for database interfacing; conference equipment comprising digital signal processor cards, network interface cards, chassis and server computers; documented application program interface software enabling users to customize the interface so that the goods operate in conjunction with end user electronic mail schedulers and web browsers; platform applications software for computer telephony applications; teleconferencing systems, namely, operator units, electric telephone switches, bridges, computer interface boards, ISDN integrated circuits, Ethernet interface cards, electrical power supplies, routers, and computer controls; computer software for integrating, controlling, recording, enhancing, securing, and managing video, voice and data communications; computer software for teleconferencing and video conferencing; computer software for integrating, controlling, enhancing, securing, and managing video, voice and data communications; computer hardware; speakerphones; teleconferencing, video conferencing and electronic conferencing hardware