The trick is to have your own separate run to the phone box and just switch off all of the other phones in the house until you’re done. It’s only two wires.
If you forget to switch it back on though, you will get caught and nobody will understand how important it was to engineer things this way.
They can’t comprehend the fear that someone will pick up the phone in the middle of a battle.net match over dialup.
The trick is to have your own separate run to the phone box and just switch off all of the other phones in the house until you’re done. It’s only two wires.
If you forget to switch it back on though, you will get caught and nobody will understand how important it was to engineer things this way.