No repair service for weeks

Telkom tech arrived at door to say phone was reported faulty - It was in perfect condition, and he left. Sure as nuts two days later no dial tone, no service. Reported fault and after a week received SMS to say service had been restored. No service. Escalated via SMS - Still waiting a week later. I will be demanf=dng a credit on rental charge, if you can ever talk to a human being at Telkom