Bell With Slash on Telegram

What it signals here

sticker mapping

Equivalent to sticker packs featuring a character pressing a finger to their lips or holding up a 'silence' sign.

channel use

Used in channel descriptions to indicate that comments are disabled or the channel is a broadcast-only space.

group meaning

Dropped in group chats to signal that someone is overwhelmed and going quiet for a while.

bot context

Bots use this emoji to confirm that notification alerts have been successfully disabled for a user or chat.

See it elsewhere