They say it is Sallie Mae calling.

STOP CALLING ME, I DONT KNOW YOU , IM SICK OF MUNCIE INDIANIA AND NOT I MEAN NOT , LEAVING ME A MESSAGE OR EVEN HAVING ANYONE ON THE OTHER END WHEN I ANSWER.
IN MASSACHUSETTS,, ITS CALLED HARASSMENT. LOOK UP THE LAWS OF STATES YOU ARE CALLING. ITS FRIGGEN MEMEMORIAL DAY.