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marți, 7 februarie 2012

What Are The Basics Of Video Conferencing?

What Are The Basics Of Video Conferencing?

by Marsha Henway

Providing an alternative to long distance travel is video conferencing and it allows participants to talk to each other and also to see each other. For companies who do business across regional and national borders as well as for in-house training and staff announcements, video conferencing is a valuable tool.

Each of the three types of video conferencing devices are designed to suit a specific application. A desktop client is assigned to a single user and may include hardware or simply be software based and installed on the users computer. An Internet protocol, or IP, is what these devices would usually use and this is a connection to facilitate the conference call. Systems for small groups are usually PC based as this is the less expensive option, and may connect through ISDN or IP systems.

Larger systems often feature the highest quality video but these systems which are used in boardrooms for large groups of people are expensive. These are also ISDN or IP connectivity systems.

The quality of a video conferencing system depends largely on the bandwidth available and the LAN speed capabilities of the network. For video conferencing, existing telephone networks can be leveraged as can a private IP network or even the Internet itself. What you can do is try to work out how many simultaneous sessions you will be needing to support as well as check the bandwidth requirements with your video conferencing service provider or your IT department.

For systems that are going to be used outside of your company, ISDN connections would be recommended. ISDN is more readily available if you are likely to video conference with Europe regularly and unlike IP, it is less expensive. It is not widespread in the US however, and ISDN systems are more difficult to configure. The charges for ISDN can be costly because they are distance driven.

The IP system efficacy can be outsourced to a third party if necessary and it will depend on bandwidth availability. For cost-effective video calls, PC to mobile calls, and more, services like Skype is being widely used around the globe since VOIP is replacing many video conferencing systems.

Video conferencing is widely used in business to enable a virtual face-to-face meeting without the cost and time of traveling. It enables several parties to meet for discussions and negotiations no matter where in the world they are based. While the more sophisticated systems catering for large groups of people can hit the $10,000 mark, a few flights and hotel bookings would cost much more.

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