Offer works by redemption.. Send your claim in line with the Cashback Claim Process below and we will credit you by cheque with £62.47 each time. This will save you £359.88 over the 12 month duration of the contract. In effect this means that your average line rental per month over the contract period is £0.01 per month. A credit of £110.00 will be raised automatically by cheque within 2 months if you do not cancel your contract. To gain the remainder of your cashback, you will need to claim for each instalment.