Then we heard the federal Emergency Alert manage Wireless, Sprint has signed on to deliver SMS alerts. Now, to secure the participation of all four major carriers and smaller regional operators, the free service is set to go live this month, which covers nearly 97 percent of active mobile users. Using a “point-to-multipoint system” that targets customers at risk, the National Weather service, FEMA, the FCC and Department of Homeland Security initiative supported working with location-based messages of 90 characters or more low in a nearby handset in case of a nearby meteorological threat. Service mostly opt-out also will accommodate the Amber alert, and President, though you will have the flexibility to missives sent from the head of our state. So, the next time your phone hearing a strange sound of the tone, you need to know to get home.