No DD done, notice of 7 days, cut off in 1 day

I received the statement which said \Your account will be debited with the full outstanding balance as reflected on this statement".<br> <br> The Direct Debit was not carried out and I received a notification letter on ***2 stating \""To advise you that the above amount is outstanding on this account and needs to be paid within (7) days.\"" The phone was cut off on ***3. The account of R 540 was paid on the same day<br> <br> I tried to get through to ***"