By integrating video, audio and peripherals which allow transmition of synchronized images and verbal communications video conferencing can allow two or more people in different part of the globe to communicate like they are in the same room over a certain type of telecommunications lines. Components of a video conferencing are video cameras, microphones, appropriate computer software, computer equipment and any other peripheral device that can integrate the transmission line to relay the information. First, analog information is recorded by the microphones and cameras and then it broken down into discreet units which is later encoded by the Codec to a digital signal that can then be transmitted to a codec at the other end, which will retranslate these digital signals back into analog video images and audio sounds.
The universal control video conferencing is where a primary site the initiate conference site and is in control of who sees what at all other sites.
Video conferencing systems are considered to be of great advantage to an organisation because it helps them to cut down travel expenses in order to travel for meeting or other events. It also saves the organisation a lot of time helps it to make quick decisions and actions during times of emergency because the necessary decision makers do not have to spend time travelling for such decisions to be made. Business meetings, seminars, and training sessions can also be conducted in video conferencing systems with the participants in different physical locations. Data and knowledge can be shared along long distances through presentations to the important members of an organization using video conferencing.
It is important for one to have an idea of about what needs to be done beforehand even if there is a video conferencing system professional installer to avoid problems that may cause significant delays during the video conferencing installation process. Before initiating a video conference one has to prepare a room for adequate air conditioning and ventilation and a good space for video conferencing equipment, check for power lines and organise a desk, sofa, and other items to avoid showing a bare room.