I want to be able to send a text off a prepay phone that enables HBO content on a networked device. This is technology that already exists for machines that se

I want to be able to send a text off a prepay phone that enables HBO content on a networked device. This is technology that already exists for machines that sell packets of crisps, and last time I checked, running a tv company was at least as technical an endeavour as crisp manufacture, so it isn't as though they can claim not to have the skill to do this.