Once upon a time, telephones were primarily point-to-point communications systems. There were options for three-way and conference calls out there, but by and large the plain old telephone system was ...

Add Yahoo as a preferred source to see more of our stories on Google. A woman holds a phone in this file photo. (Mireya Acierto/Getty Images) The Texas Division of Emergency Management will be sending ...

Millions of Australian smartphones have sounded the first test of the nation's new emergency warning system. Devices across the country formed part of the nationwide emergency alert system test, ...

COLUMBUS, Ga. (WRBL) — The Columbus Consolidated Government is encouraging residents to sign up for a free emergency alert system. Officials said that the Rave Alerts system sends important updates ...