System Requirements

The OpenTok platform has client libraries for web (OpenTok.js), iOS, Android, Windows, macOS, Linux, and React Native. For requirements on specific clients, see the following:

• OpenTok.js
• OpenTok iOS SDK
• OpenTok Android SDK
• OpenTok Windows SDK
• OpenTok macOS SDK
• OpenTok Linux SDK
• OpenTok React Native SDK

Bandwidth requirements

• Video: 300 kbps per stream (recommended lowest level)
• Audio: 50 kbps per stream (recommended lowest level)

Video specifications

• Video resolutions — browsers:
  • 1920 x 1080
  • 1280 x 720
  • 640 x 480
  • 320 x 240
• Video resolutions — native SDKs (iOS, Android, Windows, macOS, Linux):
  • Customizable
• Supported codecs: VP8 (the WebRTC standard), H.264, VP9 (see Video codecs)

Additional recommendations

• Headsets with microphone for improved sound quality and privacy
• USB echo-canceling speakers for meeting room environments