POTSProbe asks whether your old phone line can really be replaced

Field notes

The questionnaire treats analog-line replacement as a requirements-inventory problem rather than a simple equipment swap. It asks about verified 911 location, outage backup, inbound calling, dial tone, caller ID, fax and modem traffic, supervised faults, and Contact ID alarm signaling. The page says its eventual review will identify possible causes and next steps, while explicitly limiting itself to a preliminary assessment rather than live measurement, compliance certification, or approval of a generic ATA.