Conferencing can take many forms, such as videoconferencing, audio conferencing, multimedia conferencing, screen-sharing, and to a lesser extent, what is referred to in Web parlance as chat. The cost of implementing these types of systems can run less than US$50 per computer and is available for Windows, Macintosh, Linux and UNIX operating systems Support.
Videoconferencing
Let's say you want to assemble a geographically dispersed group of people for a brainstorming session. Conference programs, such as the Microsoft's NetMeeting, allow virtual workgroups to communicate via the Internet; participants see each others' faces in small windows on their monitors and hear their voices on computer speakers. You can use video and audio simultaneously, just audio, or use the screen-sharing capability to collaborate on documents without either audio or video.
To videoconference, you'll need a digital video camera. Color webcams now sell for less than US$50. Some laptop computers have built-in webcams.
Conferencing can be done one-to-one, one-to-many (called multicast), and many-to-many (called multipoint). Most conferencing software is built on open industry standards so that a dial-up connection is enough to get you in the game. However, broadband connections give far better results.
Videoconferencing via the Web has enormous potential for enhancing communications for small and mid-sized companies, as well as for distance learning. However, at the very minimum you will need a high-speed Internet connection for acceptable video quality.
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