Go to your phone's > Notifications > Advanced Settings . Enable Manage notification categories for each app .
Open Telegram and tap the (Android) or Settings icon (iOS). Select Notifications and Sounds . telegram_notification_sound_effect
A unique feature of Telegram allows you to use audio received in a chat as an alert: Tap a short or audio file in any chat. Select the option to Add to Notifications . Go to your phone's > Notifications > Advanced Settings
Long-press the Telegram icon, tap the icon, then select Notifications > Notification categories to set specific sounds for different alert types. tap the icon
Choose a category, such as , Groups , or Channels .
Open the desired chat and tap the or the contact name at the top.