That was kinda the beauty of the minitel. You did not have to provide anything. The traffic coming from your telephone line was charged to your telephone bill

That was kinda the beauty of the minitel. You did not have to provide anything. The traffic coming from your telephone line was charged to your telephone bill. That created some household drama... Who spent 200 francs on porn last month ? I was carefully limiting my usage to free services, or paid services where I could cut (literally) the connection before the 1 or 2 free minutes. Memories...