Still waiting for assistance

I would really like some assistance with my Telkom line. I really see no need to actually pay my Telkom bill every month if I have to contact the call center on a monthly basis because of faults.... I'm paying for a service which I can't actually use as it is hardly working. Every time I phone the call center, they advise me to restart the router which I do every time, just to get the response that there is a fault on our line and a tech will be sent out. I have been waiting since the 16th of April for this to actualize. The only reference numbers I have is: 665ctk180416 and 854123... I have reported this on the following dates with no response or assistance: 16th Of April; 23rd of April; 25th of April and today (2016/04/29) only to get through to an extremely rude helpdesk agent.