Annoying messages or voice messages from strangers on Telegram are always annoying. Especially the incident that happened in your case is very annoying. I am really laughing and also feeling annoyed by the intelligence of that user. Because, such border-crossing incidents are annoying for everyone.

To avoid such unwanted incidents, I customize Telegram's voice messages and message options to allow only people in my contract to message or call, although it has to be unlocked and used with the premium required option. I don't know if this advice is useful for you or not? But I am free from the torture of strangers by doing this.