Telkom A/C ***

I closed my account and got a cancellation confirmation and Telkom is still sending me outstanding invoices. I had a month to month ADSL line which a deposit of R700 was paid just incase the final invoice was unpaid. They have handed over my account when I don't owe them any amount and still hold my deposit. The lady from collections who called was so rude and speaking over me when I tried to explain and insisted that I have to pay. Very unprofessional and Rude.

I need an explanation as to why I am still getting invoiced when my account was successfully closed and where is my R700 deposit which I paid off.