Video Over IP, 2nd Edition

10 V­I­D­E­O­C­O­N­F­E­R­E­N­C­I­N­G OVER IP

 

 

Videoconferencing uses synchronized audio and video signals to permit two-way communication between distant locations. As any telephone user can attest, much of the communication that takes place between people is nonverbal, involving gestures and facial expressions that simply can't be seen when using a telephone. Videoconferencing attempts to address this shortfall by allowing users both to see and to hear each other.

For many users, videoconferencing over IP networks is the ideal marriage of video technology and advanced networking. Many frequent business travelers would like to replace some of their less important business trips with a videoconference. As high-performance networking becomes ...