Buffering issues

Dear Net Nine Nine For the past couple of weeks my tv including the phones have been buffering I lodged a complain to the agents they successfully got hold of the maintenance team I had received a message stating that they have my ticket and soon they'll assign their team members to assist the problem is that the guy assigned called yesterday and I'm not comfortable having him around due to bad last experiences could you kindly reach me on the following alternative contact *** for further elaboration please it's festive season and I'm working from home I can't keep suffering like this my kids cant be entertained properly since the buffering started please I'll appreciate it if you take a firm stand in helping with sorting this out I need a differnt maintenance guy to be assigned ASAP.