Excellent response to a sales call from "Unknown!" I received a call from this number a couple times and responded the same (and I *DID* write a complaint at DoNotCall.gov).
The first time I simply had to ask the soon-to-be-speechless caller, "Would you buy satellite service from somebody listed as 'Unknown Caller'?" And finished with, "I didn't think so," before I said I'd be reporting them and then hung up.
Sure wish I was seeing a more significant difference since the DoNotCall.gov registry began!
I called the number today since nobody answered when I said hello. A Verizon tape came on and said "welcome to Verizon wireless the number has been disconnected, changed or no longer in service."