Who called from 4084292075

I never answer unknown callers. Let it ring to my fax.

Robocaller selling health care, left recorded message. (partially cut off, message started automatically as soon as answering machine pickd up)

Calling to give free estimates for home construction.

Did not answer, left message about health insurance,  dental and vision. ..must have Medicare card.

GV says they hung up on challenge. Typical phone scammer. Will block.