This will result in working private voice calls, a working meetings and (as far as I can tell) functional chat on Chrome 71.0.3578.98. Screensharing does not seem to work.
- Install User Agent Switcher for Chrome,
- Import the user-agent-switcher.json in the User Agent Switcher for Chrome Options
- Navigiate to chrome://flags and set the following;
- Hardware Acceleration
- Override software rendering list: ENABLED
- PWA
- Enable PWA full code cache: ENABLED
- Desktop PWAs: ENABLED
- Desktop PWAs Link Capturing: ENABLED
- WEBRTC
- Negotiation with GCM cipher suites for SRTP in WebRTC: ENABLED
- Negotiation with encrypted header extensions for SRTP in WebRTC: DISABLED
- WebRTC Stun origin header: ENABLED
- WebRTC Echo Canceller 3: ENABLED
- WebRTC new encode cpu load estimator: ENABLED
- WebRTC H.264 software video encoder/decoder: ENABLED
- Downloads
- Parallel downloading: ENABLED