un happy,angry customer

hi i ordered a adsl with telkom in february 23rd 2018the service i got from the lady who assisted me over the phone was excellent,i was asked to pay 700 so that they can come and install for me i did just that i paid 700 on the 26th of february at mamelodi post office ********** now my problem started when i did not receive my order i have been calling the 10213 number more than 20 times without any help i even went to a telkom shop in centurion to seek help,they did call the same number i call all the time and again i was told that a technician has been assigned to install now that was the 25th sms i got from telkom saying a technician has been sent to come and install for me.. i work from home i rely strictly on the internet,i even lost count on how much i have spent on buying data every second day.i even spoke to 2/3 supervisors but still nothing instead i get sms's very second day that a technician has been assigned to install....tell me what must i do now? unhappy customer