Scammer probably spoofing a legitimate phone number. Here is a transcript of the prerecorded message they left me — This is Amy with medical services you were recently recommended by a medical professional to receive an emergency medical alert system at no cost to you and your system is ready to be shipped press one now and hold the line to receive your medical alert system at no cost one and three Americans over the age of 65 fall every year in the US and it could be the last don't be a statistic press one now and hold the line to receive your no-cost medical alert system press one to opt out or nine to connect with one of our operators