"If you're overdue according to your itinerary, and you start getting repeated calls from an unknown number..." Or maybe search-and-rescue can get a clue and r

"If you're overdue according to your itinerary, and you start getting repeated calls from an unknown number..." Or maybe search-and-rescue can get a clue and realize most people don't pick up calls anymore. "If you're SAR, and you don't get an answer after repeated calls to a number, send a fucking text message instead of lecturing people on how they're doing it wrong." If for no other reason than SMS stands a better chance of getting through than a voice call when coverage is spotty.