<aside> 💡 Video and audio calls are possible only after you or the other person accepts the proposal to help/get help.
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When the proposal is accepted, the icons to start video/audio calls appear in the top bar in the chat screen
Yes your calls are End to end encrypted and we are not storing/listening to any of your conversations.
Yes sure! Just go to your Profile > Settings and deactivate video/audio calls if you don't want to receive them anymore.