In a 1:1 audio call, you also have an option to switch to a video call.
- Start video by tapping on the camera icon in the top right-hand corner
- Activate camera by tapping on the camera icon in the bottom bar
Your own video is shown in a small picture in the top right-hand corner, the other participant's video is shown as a full-size picture. Tap on the small picture to swap the videos.