More → Privacy:
| Setting | What it does | Default |
|---|---|---|
| Lock Tellu | Your phone's fingerprint or PIN is needed to open Tellu after a minute in the background. Calls still ring | Off |
| Show when I'm online | Others see "Online" and your last seen. If you turn it off, you won't see theirs either | On |
| Show my country to my friends | Only your phone network's country, on the call map — never your exact location | Off |
| Map in Tellu calls | The globe and a line between you and your friend during the call | On |
| Who can add me to groups | My people / Everyone / Nobody | My people |
| Message timer for new chats | Off / 24 hours / 7 days | Off |
| Blocked users | The list of people you blocked | — |
What do we know about you? Your number or email, your name and username, your photo, your language. Your contacts are sent hashed and are not stored. Calls between Tellu users are not recorded. Our servers are in Germany and covered by European data protection law. The full details are in the Privacy Policy.