Who called from 2178349940

I have gotten these calls and I answer every time I say hello and they don't respond and hangup

Unwanted sells calls

Unwanted sales call

Green Energy Group, live caller.  I answered as if I was a business and said, "how can I direct your call," and he hung up.  Googled company, came back to S. California location for solar.

Called - CID=Broadlands IL.  No message.