My read on this is that it's not so much a problem with communicating the information, but more a failure in the system to notify the receiving party that the information is coming over, hence the Sprite can rigged to fall on the floor. Where is Rube Goldberg when he’s needed? Really, this is something that any junior high geek with a Radio Shack catalog could put together, or, since we’re talking about a budget that’s been looted by DFD supervisors, maybe they could just use parts from a scrapped refrigerator to make a workable alarm.
On a loosely related tangent, I’m in a business where there’s no new technology that the bosses aren’t eager to adopt, and the technology is invariably a problem: if it works at all it just adds another later of unnecessary complication. What really baffles me is the HEAR Radio, the system that medics use to call us, which is usually borderline unintelligible and often is nothing more than crunching static. Meanwhile, any homeless person has a portable phone which is serviceable most anywhere. It probably doesn’t help that the most of the radio calls are unnecessary , we don’t really need to be forewarned about a low speed fender bender with everybody ambulatory on scene or some guy with chronically swollen ankles, and even if it is about someone headed to resuscitation the EMTs never get to the point. It's not uncommon to be a minute into a call and still not know what it's about; please just give us the fucking chief complaint before you start in on what you had for breakfast. I think it’s a failure in their education, prioritization, and lack of common sense and judgement, but that’s for another day.