When you have joined a meeting as a host from a third-party standards-based video conferencing device, you can control the meeting from your UI. The following controls are available:

  • *5: Lock meeting

  • *5: Unlock meeting

  • ##: Mute all participants, except yourself

  • 99: Unmute all participants

  • *6: Mute and unmute yourself

When you use the controls in the meeting, the participants get notifications of the changes on their screen.