Call came in at 3:28 pm on 2/20/17.  Caller Id showed "VO IP".  caller left no message; hung up when answering machine came on.  A legitimate caller would leave a message and identify self and company.  Complaint filed with donotcall registry.  We neither respond nor return call.

Just got, answered and hung up. Blocked.

Blasted spammer.  I'd like to give 'em a good spankin'

Do not leave a message hangs up when VM comes on

Called, left no message If was real would have left message. I have do not call block. How do these jokers get past that?