Unipin voucher

Hi, I bought R200 token, and loaded it, and I got an sms saying my request have been processed and an sms will be sent to me, and I am still waiting, I then sent an sms to 43471, with my serial number: ***, still no response or feedback, then sent an email to [Email Removed] I get a delivery failure response and my units are over, I don't know what to.