Receivables Performance Management LLC Debt Collection Complaint

Receivables Performance Management LLC Debt collection department,

I do not know Communication tactics Called outside of 8am-9pm Washington

They have called at - in the morning to sometimes - at night, when I answer, no one will say anything, they just hang up, they call 5 to 7 days a week, will not leave a message and sometimes I will hear music in the background. I have asked them to stop calling if no one will answer and they continue to do so. I have checked sites where there is complaints about this happening to them with this same number.