Who called from 3076557550

If on a cell phone there may be available damages for autodialed recorded message - this one says:

"The FBI reports (something about a statistic of break-ins in USA)..."
They offer to install a free security system at your home if you put their sign in your front yard.

robo-dialing every phone at work.  yes a free sign like Receiver above said, that probably IS the free security system.

Auto dialer trying to sell security alarms.

Robocaller, hangs up on voicemail.

Robo call security system same as one coming from California