Old hardwired copper did not go out with power outage as the phone is low voltage battery from Bell office and not connected or associated with and electric service. So if on Fibe you are done. My MIL is old they put her on Fibe now isolated when pow...
Recently, my mother was coerced into having Fibe for landline. I noticed a modem so this became voip, Major problem. Power was out for 3 hrs and no way to communicate not even 911 9she is 97). Had there been a catastrophe would Bell be responsible.