These guys are apparently still at it.  I did not answer the phone when I saw the "unknown" on caller id.  Googled the 407 505 0178 and found these posts.

This person is trying to scam old people seams like it would be easy to catch him or them
@

A citizen reported receiving a call from 407-505-0178 telling her she'd won several million dollars, however, she would first have to Western Union approximately $300 to the following address in order to receive her windfall.

Shadae Watson
223 White Plains Rd
Bronx, NY 29466

This is clearly a scam - please do not fall for this!

Got a voice message on my home phone stating I won 2.5 mil and to call back to claim the money.  Said it was due to some sweepstakes or something.  The accent of the man sounded East Indian.
This smells of SCAM.  Plus, I don't enter sweepstakes or anything like that.  Best I could find online about this number is that it is located in Orlando, Florida.  Did a reverse lookup online and got a message that the number was not listed.

international cc's company, left voicemail claiming that I had won $2.5M and they left their phone number as 407-505-0178 (caller id comes up as UNKNOWN).  called them back and got man saying he was in claims department and that if I was interested in claiming the $2.5M I would need to call 1-424-777-6375 mr. michael anderson.  got an answering machine at 424-777-6375 that sounded like the same voice at 407-505-0178.  Requesting payment $499 for Clifford Davis, 217 Cushing Avenue, East Point Michigan 48021 at Western Union.  Said UPS would deliver check.  Talked with Western Union and they said that it is illegal to require money to receive money.  Western Union advised me that I should NOT transfer any money to anyone if I did not know them personally.