Almost correct, Melinda. They might get away with calling you but cannot pursue your discharged debt, and cannot make those desperate legal threats. Rack 'em up in Federal court and they might help finance your bankruptcy filing.
All: If you are receiving repeated, misdirected, and/or abusive calls from a third party debt collector, you may find relief in the provisions of the FDCPA, the Federal law which regulates collector behavior. Learn your rights at FTC-dot-gov. See also your state laws for additional support.