This comes around every few years or something very similar. Be careful of any call that rings once and stops.
On a similar note, if you get a call and no one is on the line, your alert should go up. Burglars and break-in artist will call phone numbers and if no one answers it becomes a candidate for breakin.
On a similar note, if you get a call and no one is on the line, your alert should go up. Burglars and break-in artist will call phone numbers and if no one answers it becomes a candidate for breakin.