Still being charged: Cancelled line in November!

After sending email instruction to cancel my line on 27th November, numerous calls (waiting 1 hour+ on the line to 10210) I am still being billed for my phone line/ADSL from Telkom! This was all after going into a Telkom store and trying to cancel it and them saying the system was down and I had to call!<br> <br> I have just now received my Feb invoice! This is outrageous service!<br> <br> My dispute reference number is ***2.