Telegram is a free cloud based messaging and end-to-end encrypted voice calling service for Android, iOS, Windows Phone, Windows, macOS, Linux and Web. Using Telegram users can send messages, photos, videos and files of any type (doc, zip, mp3, etc). And make voice calls and create groups for up to 200,000 people or channels. It comes with some security features like end-to-end encrypted voice calls, self-destructing messages, photos, and videos and protect your app with a password. Apart from these important features it also offers usage of Telegram on unlimited number of devices at the same time with zero space on your phone.
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