Pathetic Telkom

I cancelled my telkom account is August(migrated my fiber to afrihost)...telkom keeps on billing me, now the debt department is phoning me with a invoice of over 9 grand BUT IM NOT AT TELKOM SINCE AUGUST...im so sick of this pathetic service, i got called on the 27th of april telling me my queries has been resolved! Obviosly it was not! pathetic TELKOM! here is my query numbers... ********** 4 and ********** 5 and ********** 6 and ********** 3...they are all apparently resolved...but once again..pathetic...nothing happend.