Robotic or pre-recorded voices as well as rude, forceful or threatening phone calls are all violations of the Fair Debt Collection Practices Act.
https://www.ftc.gov/enforcement/rules/rulemak ... ctices-act-text
Should you choose to answer the call, your best defense is to record the call from the moment you answer.
Both callers are (unwisely, yet publicly) listed:
JOHN PATRICK BRADY - 6033 34TH ST, BRADENTON, FL 34210 - (941) 201-3004
JOHN & SHARON HOLLOMON - 320 9TH ST, OSAWATOMIE, KS 66064 - (913) 755-6510
Other known numbers used: (615) 510-3041 Murfreesboro, TN - (877) 591-7020 - (913) 755-9027 Osawatomie, KS
Did you know, debts have expiration dates?
Statute of Limitations By State:
http://protectingconsumerrights.com/debt-coll ... ations-by-state