Hmm I have telephone wires in the building. Is it still possible to do landline calls? Landline aficionados could call each others. It would be a rather elite

Hmm I have telephone wires in the building. Is it still possible to do landline calls? Landline aficionados could call each others. It would be a rather elite club! Of course, the common folk would follow. And it would be eternal september from there on again.