When I was a lad our phone initially was a pay phone. I think the landlord was able to set the rate. It was free to receive calls. My grandparents had a phone

When I was a lad our phone initially was a pay phone. I think the landlord was able to set the rate. It was free to receive calls. My grandparents had a phone which only allowed incoming calls (which my older cousins did a type of phone phreaking on to call out, or at least pretended to!)