MWEB and their promises

I have had internet problems with MWEB for a long period. The last time I had to go to their offices in Goodwood and eventually they provided me with a new router. However I started experiencing problems again and tried to resolve this since last year. MWEB insisted that it is a Telkom line problem and not a MWEB problem. After numerous calls to MWEB their advise was the same; Either remove the line filter or if there is no line filter, then I must put it back. Earlier this month we eventually had a Telkom technician coming to our home after logging the problem ourselves with Telkom as well. They tested everything and confirmed that the router that MWEB provided, was the problem. Obviously irate and not happy I confirmed this to MWEB and they confirmed that they will provide a new router as well as provide a months free subscription to compensate for the frustration. However, when I received my new invoice, I still had to pay in over R700. On enquiring to Abdul about this, he now confirmed that I still got the month \for free\" but the latter off set the cost of the router. How is this possible??? It is MWEB's router that they provided that was faulty, yet I have to pay??"