POOR SERVICE - TELKOM TECHNICAL DEPARTMENT

I had a Telkom ADSL and Landline installed at my Business premises 9 September 2015.This system worked for two days after installation, started having a problem with neither the Internet or the Phone Line working at all. I reported the problem at Telkom was given reference numbers and I was informed that this was a area problem. Only to find out nobody has had a problem but myself and the business next to me. After everyday calling, cussing and getting frustrated, I finally had a Technician last Thursday. He supposedly fixed the problem and left. Both lines only worked that afternoon and went down again!!!! I have been reporting it again every day, was told to give them 24/48 hours....today I am told it may take 15 days again!!! I have had NO SERVICE at all!!!!! I don't know what to do anymore, and was informed if I cancel, I will now have to pay a penalty?????? For something that has not worked since it has been installed. Wonder if anybody can maybe help me in the right direction??