Some FTTC cabinets have battery backup for reportably about 4hrs.
But so far I have not had the opportunity to test if I have internet/VoIP during a power cut as I never got round to connecting UPS to my modem/router/wifi.
https://kitz.co.uk/adsl/fttc-cabinets.htm#fttc_cab_interior
But so far I have not had the opportunity to test if I have internet/VoIP during a power cut as I never got round to connecting UPS to my modem/router/wifi.
https://kitz.co.uk/adsl/fttc-cabinets.htm#fttc_cab_interior