Here are some key features of "VidSpeak":

· Multi-point Video conferencing! See more than one person at a time
· Zero Firewall Configuration
· Encrypted communications, true privacy
· Works with all major webcams
· Private version available for organizational use
· High-quality Video, up to 640x480
· High-quality Audio, much better than a telephone
· Optimized for low-cost broadband connections like Cable or DSL
· Adjustable audio and video quality, codecs etc

Requirements:

· webcam
· microphone
· speakers
· A headset is recommended