Telkoms ****ty service

I requested for cancelation numerous times on my contracts with telkom, even stated that i wanted all the contracts canceled but that wasn't done, i was advised to give a calendars month notice which i have given. The agent advised that they will call back once they have investigated, whenever they call they tell me to do tje cancelation myself which is impossible as their system is ****. I need this matter resolved as i am not letting another debit order go off.