Again and again technitian cut us off

Again a fault with my land line every time telkom works in the kiosk on the corner De Havilland and Dornier in Impala Park They disconnect me last time a white technician changed my printed circuit board with another customer, why do they do this this I saw the technician working in the kiosk during the week and I said to my family wait and see our phone is going down cant we have more then one service provider this really sucks every Christmas my phone also get cut off and then the only fix it in the new year.TELKOM GET RID OFF TECHNICIANS THAT CANT DO THERE JOB PROPERLY