I just got the same call and they said I have a complaint against me. :-) Said to call back with a coded number they gave me. So I called back and used *67 to block my number and it was a recording but said it would connect at the next available representative but it hung up on me. So by that I am sure it is all a scam! Be careful.
Embarrassing they called my job religiously and told my boss I would get served within 24 hrs, I can't afford to lose my job and my dad had stage 4 small cell lung cancer they gave him 6-12 months to live. It's very stressful because I have a lot on my mind already please help me with these harassment calls is embarrassing.
You can't be arrested for ordinary civil debt. Being in debt is not a crime. This is an attempt to care some money out of you. Block and ignore the calls.