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Video Conferencing

  • What is Videoconference and Video Conferencing ? The interaction between groups of people, in two or more sites, in real time with sound and images. This usually takes place in specially equipped rooms using high bandwidth communications such as ISDN and IP.
  • What is Audioconference ? The interaction between groups of people in two or more sites in real time using high-quality, mobile, hands-free telephone technology. It makes use of conventional communication networks such as POTS and ISDN.
  • What is ITU ? The International Telecommunications Union. The ITU, headquartered in Geneva, Switzerland is an international organization within the United Nations System where governments and the private sector coordinate global telecom networks and services.
  • What is PSTN ? Public Switched Telephone Network. The traditional voice telephone network as provided by a Telecom carrier.
  • What is ISDN ? Integrated Services Digital Network. It provides a wide variety of services, including audio and data transfer. Basic rate ISDN is normally able to use the PSTN local wiring from the telephone exchange but requires specialized equipment to be installed in place of the conventional phone.
  • What is POTS ? Plain Old Telephone Service. An analogue narrow-band telecommunications service designed for transmitting voice calls.
  • What is the difference between videoconferencing and web-cam conferencing ? Videoconference is a bi-directional interaction that requires a guaranteed bandwidth to simultaneously transmit and receive moving pictures at a minimum of 15 frames per second (fps) up to 30fps. Normally web-cam is an Internet-based application that uses a narrow bandwidth due to the instability of the connections via the World Wide Web. This results in poor video quality, as applications show a frame every 15 seconds.

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