Harras*****t, terrible service and threats

I have been up and down with Shapiro Shaik Defries and Ass. MTN account which I had for 2 years from 2013 -2015 - I paid MTN for those 2 years!!! Invoices and proof sent to SSD!!! which took me a very long time to do YET SSD still harasses me on a daily basis, calls my work and threaten me on the phone at my JOB! and it does not stop!!!! I have explained myself a million times and yet all I get is further threats I am going to take this further as i feel that this has been going on for way to long now especially knowing that a ITC has been done on me without my consent I am truly upset with these attorneys! This must stop!!