Telkom Line Not Installed

Hi this is now more that a month that I am struggling with Telkom. Everytime I phone the call centre to find out about the progress of a new Telkom line to be installed at my premises they keep giving excuses. They send out a notification Wed to say they will come on friday 10 July 2015 in the morning to install the Line. THEY STILL DONT EVEV BOTHER TO PITCH UP. WHY IS TELKOM GIVING SUCH BAD SERCIVES ? Can you pls help me this is to get my line installed to get ADSL. This is my order number: ***A