Who called from 2019452119

Called at 7:05pm on a Tuesday 10/30. I said hello several times but they never answer. The caller ID says "ENVIRMT SFTY IN."

This call is from ENVIRNMT SFTY IN

It is a recorded message offering septic service.
They have called me at least 4-5 times in the past few days.

Call from "Cliffside N.J." No one on phone when they called me.

Full transcription:
"Hello, this is a special notification for local septic tank owners, about avoiding environmental damage and saving money.  If your home is served by a septic tank, please take a few seconds to hear this important message.   The US Department of Agriculture has tested and approved a new product which eliminates costly pumping out of  septic tanks.  Keeps (leech?) fields clear and keeps the septic tank working efficiently for just pennies for month. The product is called Activator 1000 and it is completely safe for the environment, including kids, pets, plants and plumbing system.  Activator 1000 includes a 100% money-back guarantee of the results and satisfaction. It's USDA-approved and is not available here. If you would like to request free information on Activator 1000, of course at no cost or obligation whatsoever, first please just say yes after this tone..."

I was not home.  They left no message.