مدیریت و رهبری آموزشی در قرن 21

مدیریت و رهبری آموزشی در قرن 21 Telegram

Save Messages You Want to Access Anywhere Take Advantage of Telegram Chat Tools Premium Voice-to-Text

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Edit Sent Messages Telegram allows you to manage the device storage: you can choose to delete media (photos, videos, and other files) shared on the app. All files will be deleted from your device after the specified duration, but they will stay in the Telegram cloud forever, so you can re-download them when you need them again. There is also an option to delete the cache and local database. Telegram allows edit, unsend sent messages even for the other people on the same chat. It allows to unsend messages shared with the first 48 hours after sending. Premium subscriptions help Telegram pay not only for the additional expenses of premium features, but also support the free version of Telegram for everyone.

The encryption is based on 2048-bit RSA encryption, 256-bit symmetric AES encryption, and Diffie–Hellman secure key exchange. Turn on Secret Chat