Trying to cancel lines - No success or feedback

I have tried my utter best to cancel my 4 Telkom lines (plus one DSL). Completed all the forms and mailed to Telkom( 05/01/2016) - Received system generated reply saying that the have received the request. Not cancelled - Went in person to the Woodlands branch (Around 18/01/2016) - White male assisted me, and confirmed nothing shows on the system, but it will now be cancelled. I phoned today 16/02/2016 and once again not cancellation of the system - And also received a new bill (No calls was made, but rental is in excess of R1800. Now the Telkom CC agents tells me I need to mail again, and wait 30 days (Notice). I said I've given notice - He's response \Ya, maybe someday it will be cancelled\" Please cancel *** & *** & *** and *** plus the DSL fastest that was (or is) on line ***."