Who called from 3022518061

Caller did not say anything, I said "Hello" twice, then they hung up. 4/15/2008 8:52 pm

received two hang up calls from this number after my saying hello twice.  The first one on 4/15 at 5:55pm and the second on 4/16 at 7:46. Am on the "do not call" list.  No one spoke back.