Dstv

In september i reconnected my dstv compact and only paid for my dstv access only ,then i reconnected my dstv compact on the 23rd of September,then in the month of October i received an sms that i am owing mean while when i pay in September i was paying for October called multichoice call centre and i was told that if i wanted to pay for October i shouldn't have paid in September,how is it possible that i must pay twice.i am very dissaponted with dstv services