Vodacom doesn't contact their customers

I recently qualified for an upgrade and decided to go online and apply on the Vodacom Website. A customer care representative was supposed to call me back within 24 hours. I never received the call. I then contacted vodacom who could not continue with the online application and I had to start the application over. They then said that it needed to be delivered to me personally, however I am not office based and do not work from home either. I then suggested that this be delivered to an alternate office address of my wife and they said that this isn't possible. I then suggested that I collect it somewhere and this isn't possible either. So please now explain to me why you didn't call me back in the first place and how do you want the phone to be delivered to me as I am not at a fixed address as I do field work?