Not sure what details you need in private. I’d rather do this in the open. As I said, I use matterbridge. Install that, then create a configuration file as per the documentation. You’ll need to setup a Telegram token as per https://core.telegram.org/bots#6-botfather and https://www.linkedin.com/pulse/telegram-bots-beginners-marco-frau and set that like:-
Then a section for irc. I created the ubuntutestingbot irc user, but I think I can change the password and hand that over.
Finally there’s glue to map these two together:
The number is the internal Telegram ID of the Telegram channel to pipe irc conversations to.
That’s mostly it. If I were you, I’d try setting it all up and then if you get stuck, ping me.