Pathetic response to problems with wifi

Tomorrow will be 2 weeks that my wifi has not been working . I called Telkom , the first call I made they told me everything is fine from their side and I should reboot my modem, still nothing happened, I called again they said there's a problem with my dsl line they sent me a reference and said a technician will be sent out , apparently the technician came on the 20th of February to look at the problem but I was not contacted , when I called on Monday Telkom said now it's an underground problem, something to do with a cable , till today my wifi is not working and I keep calling Telkom but no one can help me . It's frustrating! I've been buying data but I doubt Telkom will compensate me for that . I pay my account on time every month , this month I'll be paying it but for no services rendered, Telkom is very quick to suspend your account if you a day late with payment but they offer a pathetic servie to their customers .