Eli5: how does a cord landline work when the power is out?

Question

Like the phones that have a special plug and everything, the cord one still work when the electricity is out and they don’t seem to have batteries in there, so how and why do they still work

In: 142

Answer 1

In fiber to the home scenarios, the battery is in the demarcation box. In a fiber to the neighbourhood scenario, the batteries will be in a service box on the street. Otherwise, the batteries will be in the Central Office.