Airtime wont go through, no response on refund

Same problem as I had in December, airtime not going through from internet banking.<br> Call centre tells me it is a tech problem that will be fixed within 48h, same lie every time.<br> Speak to tech dept, told that it is in fact an individual problem and not a system error.<br> No feedback on escalated case in 10 days.<br> Emails to cust serv ignored.<br> Still no refund on my R300. I sent them my bank statements to prove purchase.