Windows client

• Windows 2000/XP/Vista
• Pentium III 500 MHz processor
• 256 MB RAM

MAC client

• Mac OS X 10.4/10.5
• G3, G4, G5 or Intel Processor
• 256 MB RAM
• Microphone (internal, USB, or iSight)

In addition, all clients need the following:

• Java versions 1.5 or 1.6
• 20 MB free disk space
• 28.8 Kbps Internet connection