Telkom for business - complaint

Our business ADSL has been down since Wednesday 9th Jan. After changing the router and our internet service provider, our ADSL is still not working and Telkom refuse to send a technician although we are now past the 3 working day turnaround time. Completely useless and Telkom will not return calls or give updates. I guess they are going to lose another customer to fibre provided by another more useful company.