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Web Conferencing: Architecture

OS, hardware, software requirements
	What are the operating system and hardware requirements? What are the software requirements? Participants? Moderator? Web, Audio, and Video Conferencing Vendors all have different system requirements to use their products. It is always helpful to know what the requirements are depending on what type of conferencing product you will be using. Do keep in mind that running video conferencing software requires more than a standard Web conferencing package. Listed below are system requirements for some of the more popular Web conferencing vendors. WebEx Communications System Requirements: Adobe Breeze System Requirements: Microsoft Live Meeting System Requirements:
Multiple clients
	Does the application play on multiple clients?
Cross platform support
	Does the product have cross platform support?
Plug-in
	Is a plug-in required of users to use product? Is plug-in required for presenter? Is Internet all that’s needed to start a meeting?
Product support
	Does the product support installation both behind firewall, hosted service and or hybrid service?
Product build
	Was the product built from an audio system, a software system or as a web/audio/video conferencing system from ground up?
Firewall penetration
	How does product penetrate firewalls?

Web Conferencing Architecture Diagrams for Various Vendors
Oracle Web Conferencing CollabWorx	Meeting Server

Videoconferencing: Audio Quality
The human visual system will tolerate much interference. A video image that is grainy, has untrue colors, or that is jerky can still be comprehended. An audio signal, however, must be high quality in order for a human to be able to perceive the words. A speech signal can tolerate some peak clipping (loss of amplitude above a certain threshold), whi ... click for more on Videoconferencing: Audio Quality

Link: Videoconferencing: Audio Quality
Courtesy of
University of Virginia
http://www.itc.virginia.edu/

Lower Your Cost Per Lead with Web Conferencing
As the economy recovers, many sales executives are discovering that the cost of selling is going up. The largest expense – next to the cost of the salesperson – is the cost associated with lead generation. In many companies, salespeople are asked to make cold calls, which reduces the amount of time they spend in front of qualified prospects and exi ... click for more on Lower Your Cost Per Lead with Web Conferencing

Link: Lower Your Cost Per Lead with Web Conferencing
Courtesy of
SellingPower.com
www.sellingpower.com

Videoconferencing: Security
Any application that gives other people the ability to obtain information from a system or write files to the system must be evaluated for security problems. Electronic communication software must be evaluated in terms of the privacy of the user. Desktop collaboration software involves both these elements.
Whiteboards, application sharing, and fil ... click for more on Videoconferencing: Security

Link: Videoconferencing: Security
Courtesy of
University of Virginia
www.itc.virginia.edu