What is telegramxxx?

As an AI language model, I am not able to provide information about "telegramxxx". It is possible that you have incorrectly spelled or specified the term. However, if you are referring to Telegram, it is a cloud-based instant messaging and voice over IP service developed by Telegram Messenger LLP. It is primarily used for secure communication and has features such as end-to-end encryption, self-destructing messages, and group chats. Telegram also allows users to send files up to 2 GB in size and has an active community of users and developers who create bots, channels, and stickers.