Selling a product and service when out of stock

Ref no. ***2<br> On the 21st Feb 2015 I got a call from the telesales centre Nazeerah. I ordered a Wi-Fi router with a 2g top up package. I was told it would be delivered within 3 days.<br> <br> I phoned Vodacom customer service on the 27th Feb 2015 @ 11h42 and asked where the router is as it has not been delivered as yet. First I was told that its out of stock and then I asked when it went out of stock and was told there was no stock on the 21st Feb when the product was \sold"to me. When I asked how a product can be sold that is not in stock - I was told there was stock and now there is no stock.<br> <br> This is totally unacceptable the call centre agent tried to fool me and when he was caught out he back-tracked.<br> <br> I want to know when I can expect deliver or should I just cancel the entire process?<br> <br> I'm disgusted in the service received!"""