A conference call is a telephone call in which the calling party wishes to have more than one called party listen in to the audio portion of the call. The conference calls may be designed to allow the called party to participate during the call, or the call may be set up so that the called party merely listens into the call and cannot speak. It is often referred to as an ATC (Audio Tele-Conference).
Conference calls can be designed so that the calling party calls the other participants and adds them to the call - however, participants are usually able to call into the conference call themselves, by dialing into a special telephone number that connects to a "conference bridge" (a specialized type of equipment that links telephone lines).
Video conferencing is perhaps the best technology for making effective communication. This technology uses video and voice optimization through the World Wide Web (WWW). It enables the users to communicate with remote participants. During a video conferencing presentation, all the participants can watch and hear other participants and the presenters. Due to its high communicative utility, video conferencing system has become a part and parcel of modern business. This communication system is also widely used by distance learning and e-learning providers.
Requirements for video conferencing
During conferencing, the participants require computer, microphone, webcam and broadband Internet connection. Enabled by these supporting tools, the participants of conferencing interact with each other as if they are sitting in a real life conference hall.
Types of video conferences
This tool is used these days as an important mode of communication. This tool is mostly utilized by corporate sectors as it not only saves time and travelling cost but also helps to establish interactive communication with people from any part of the world. Video conferences are of two types. One is called 'point-to-point video conference.' It is generally conducted between two persons. The other one is called 'multiple point video conference' which involves more than one person.
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