What about the mysterions message

Hint 1 of 5:

Mysterions somtimes will respond:

Hint 2 of 5:

00001 01111 00000 100001

Hint 3 of 5:

00011 00001 11100 100001

Hint 4 of 5:

11000 11110 01111 11111

Hint 5 of 5:

I don't get it.  Go figure.