Making an audio-only call

If you don't need to share your screen, or you want to start the call before sharing, you can start a call an audio-only voice call. To initiate an audio-only call, click the phone icon next to the person you want to call:

Sharing your screen later

If you want to share your screen after starting an audio-only call, open the Tuple app by clicking the menu bar icon and click on "Share Screen":