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 ...

BANGKOK - Authorities recently pushed urgent emergency warnings to mobile phones across the nation. People living in high-risk flood zones suddenly heard ...

The government on Saturday launched the ‘Cell Broadcast Messaging System’ under which a loud siren-like sound echoed through multiple mobile phones. The beep sounded for 10 seconds before you had to ...

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, ...