Telkom wont come

Having moved into a new house, I ordered a fixed phone and DSL line from Telkom on the 25th Feb 2015. I have now had 3 appointments to have the line installed arranged, but on all occasions the technician has not arrived (despite receiving a confirmation sms from Telkom) - without any call or proactive correspondence from Telkom. I, as the customer have to phone Telkoms 10210 number and wait for at least 20-30 minutes before anyone answers and re-arrange a date. On the last appointment I even got the name/ number of the technician who was scheduled to attend my house, but when I called him he told me he was on holiday & that his job role in Telkom was not even line installations! For all appointments, I have to take leave from work to be at the house awaiting these guys who don't show up - wasting my annual leave. All this bad service and yet there is no responsibility/ service level obligation from Telkom - If and when I get this line, I wander how quickly Telkom would act if I stopped paying for it? If Telkom did not have such a monopoly on the SA market they would not be so complacent in their treatment of customers.