Purpose: Telegram then uses these uploaded numbers to check against its database of registered Telegram users. If a match is found, that person appears in your in-app Telegram contacts list, often with the name you saved for them in your phone. This makes it easy for you to find and start chatting with people you already know who are on Telegram.
Data Protection: Telegram emphasizes that it only stores the phone number and the name you’ve given it. It does not store other details like addresses, emails, or notes from your phone book. This synced data is stored encrypted on their servers.
>”Contact Joined” Notifications: If someone in your phone’s address book (who has your number saved too) joins Telegram, you might receive a notification that they’ve joined.
Best Practices for Telegram Contact Privacy
Even if you don’t sync your phone’s contacts, or if telegram number database you’ve turned off syncing, you can still add people to your Telegram contact list:
Adding by Phone Number: If you know someone’s phone number, you can manually add them as a contact directly within the Telegram app.
Here are the best practices for Telegram contact privacy:
Adding by Username: This is a mobile numbers in healthcare communication very common way to add people without needing! their phone number. If a user has set a public username (e.g., @JohnDoe)! you can find them by searching for that username in Telegram’s global search. Once you find their profile, you can start a chat and optionally add them to your contacts! without ever seeing or storing their phone number yourself.
>From Group Chats/Channels: If you belgium numbers are in a group or channel with someone! you can tap on their profile picture or name to view their profile and then choose to “Add to Contacts.” This will typically add them using their Telegram user ID! and their phone number will only be visible based on their personal privacy settings.