Tested and fully working.
White BT Duet 20 Corded phone, boxed
BT Duet 20 Corded Telephone House Phone - Limited Edition Football Edition
BT Duet 20 Corded Landline Telephone – Wall Mountable Phone With Filter
White BT Duet 20 Wall Mountable Corded Telephone
White BT Duet 20 Wall Mountable Corded Telephone H2
BT Duet 20 Pink Slimline Corded Home Telephone Phone | Desk or Wall Mountable
