Receivables Performance Management LLC Debt Collection Complaint

Receivables Performance Management LLC Debt collection department,

I do not know Communication tactics Frequent or repeated calls Texas

RPM is calling me at work, they were told they can call this number yet they continue to do so. I had my legal representative try to call them. He tried twice and he was disconnected by their " operator '' after telling her, on a recorded line, they do NOT have permission to call and offerring to send his Power of Attorney