When the spammer calls, they spoof a phone number so it looks like a local call on caller ID. A message will come over the phone that alerts you about your eligibility for an alert system, an upgrade, or that someone has purchased a system for you.
When the spammer calls, they spoof a phone number so it looks like a local call on caller ID. A message will come over the phone that alerts you about your eligibility for an alert system, an upgrade, or that someone has purchased a system for you.