Phoned and left no message.

These scammers have called my Mother as well.

Thy just leave a call back number and no message?

I got a call from phone number 401 424-9341,
am man asked for contribution for equipment to fire fighting.
I asked the info to be mailed and disconnected the line.
I called the number back find who is the person or company.
Someone picked up the phone but did not respond then the called disconnected
the line.
likely a scam

I got a call from them this morning. Did not answer it. Checked here to see which scam it was. called it back and a female computer voice just said "Good-bye" I'm calling it the Good-bye Scam.