Who called from 6789274013

called Saturday morning at 9:06 does not leave message. caller id says  mister allen

Calling about home improvements.  Indicated that I was on the Do Not Call list and to remove my number from their system.

Caller ID was: Mister Allen.., on answering, there was no one there and it disconnected on it's on. Autodialer crap! Tried calling the number back from online dialer acct and the call gets answered, but tells you they" can't accept calls at this time".