BILLING QUERY NOT RESOLVED

I HAVE BEEN CALLING TELKOM FOR THE PAST THREE MONTHS ASKING TO CANCEL MONTHLY SPEND LIMITS AND MIGRATE MY CONTRACT TO A TOP UP CONTRACT. THEY HAVE BEEN SENDING ME TO TELKOM STORES AND AT THE TELKOM STORES THEY'VE BEEN TELLING ME THAT IT HAS TO BE ESCALATED TO BILLING EVEN TODAY I'M STILL WAITING FOR QUERY TO BE RESOLVED. EACH AND EVERY TIME WHEN I CALL THE CALL CENTRE TO SPEAK TO THE SUPERVISORS I'M ALWAYS TOLD THAT THE SUPERVISOR IS BUSY WITH ANOTHER ESCALATION AND ALSO THE MANAGER. I'M REALLY FED UP WITH TELKOM SINCE THEY'RE NOT GIVING ME PROPER SERVICE AND THREE MONTHS GONE BUT STILL NO RESPONSE. VERY ANGRY CUSTOMER