angry customer

Last year i was retrenched 3 months before my contract was due for upgrade, i phone and paid the full amount and cancelled the contract aswell as the insurance, i phone AGAIN in september last year to make sure they canceled it! since then they still take money every month. So when i phone again they said it was never cancelled so now i owe them money????? It was not my fault but i have to pay again! youre clieent service suck aswell. I will pay that money end of the month but i am DONE with you i will NEVER do business with you again, i'll rathLast year i was retrenched 3 months before my contract was due for upgrade, i phone and paid the full amount and cancelled the contract aswell as the insurance, i phone AGAIN in september last year to make sure they canceled it! since then you still take money every month. So when i phone again they said it was never cancelled so now i owe you money????? It was not my fault but i have to pay again! their clieent service suck aswell. I am DONE with them, i will NEVER do business with them again, i'll rather go elswhere where people actually do their work and care about their clieents