poor service from Unipin

I bought a unipin voucher for my Electricity on the 1st of November , followed the instruction on the voucher to redeem the voucher ...on my phone it said my request is successful and i will get an sms to my phone with the 20 digit number to enter into the meter box ...the sms never came ...i then tried the same voucher with A DIFFERENT NETWORK THINKING MAYBE ITS A PHONE NETWORK PROBLEN AND THE MESSAGE WAS THE VOUCHER HAS BEEN REDEEMED ...i then followed their stupid process as there is no number to call for quiries , sent out an sms ...followed up with numerous emails ...i still to date have not received a call from their consultants as they claim ...my money is gone ...i dont have the electricity ...is this unipin a **** or what