Accepting a Voice Chat
The Class Facilitator has the ability to initiate a voice chat. When they initiate it you will see this popup:
If you would like to voice chat, and have a microphone, Click Yes.
You may be prompted with something similar to this.
Choose Allow.
Connected Voice Chat
When connected, you will see two additional icons in the bottom-right corner.
The blue one allows for muting and unmuting of your microphone.
The red one disconnects the voice chat.
You can still use the text chat during a voice chat.
Disconnecting Voice Chat
To disconnect the Voice Chat click the red button
If the Facilitator disconnects the call, the voice chat buttons will automatically disappear.
Note, that it is not possible to initiate the voice chat directly yourself. Use the text chat to request a voice call from a Facilitator.