- Windows 7 and up, Mac OS X 10.9 and up, or any recent Linux distribution
- High-speed Internet connection
- One or more USB, PTZ, or built-in cameras up to HD resolutions
- High quality audio device ^
- iOS 9.0 or later. Compatible with iPhone 4S and up, iPad 2 and up.
^ Audio device selection greatly affects the quality of the audio. Built-in microphone and speakers can be used, but a high quality headset or audio conferencing speakerphone is recommended for the best experience.