Video conferencing is method by which people in different locations communicate in real time with two or more people at different locations via video This ability to see the remote participants as well being able to hear them has many benefits over audio-conferencing.
Video conferencing is now widely used by all industry sectors. Multinational companies use it to communicate with international branch offices, whilst smaller companies use videoconferencing to enable them to work with clients and suppliers in different countries.
The equipment required for video conferencing is simple to operate. On screen menus enable you to enter the number you want to call or select it from an address book. Gone are the days where videoconferencing required specialist technicians - now everyone in your office can be shown how to place calls with a 10 minute training session.
Video conferencing should not be considered in 'black and white' terms - there will always be a need to travel to meet clients or partners especially during the important early stages when relationships are being built. Where videoconferencing wins out is being able to maintain those relationships easily and cost effectively.
Modern video conference systems enable users to share documents and computer images with the remote (far end) party. When videoconferencing is used in this manner it becomes part of a collaboration solution.
Video conferencing is not only used internationally, many legal firms and consultants use videoconference systems to avoid billing clients travel time and to be able to carry out more client meetings in any given time period.
Many-to-many communication: this is the most complex form of video conferencing and is mostly associated with room based video conferencing technology. In this case several parties (more than 2) are involved in the conference, and all can be seen and heard.
Why use video conferencing?
A telephone call or e-mail is not always the best way to communicate with another person. Interactive meetings can help to generate ideas, and enable people to read and react to others' sensitivities
Video conference communication and meetings are often much shorter in total as no travel is involved. A meeting that may take you away from work for four hours (due to travel) may take only one or two hours using a video conference. You can communicate more regularly with people in other districts or countries, which would usually be costly or impossible if you had to travel. Using
Source: http://www.20vn.com/video-conferencing/what-is-video-conferencing-5ea.htm
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