US Patent 8013734 Personal safety mobile notification system

Described embodiments provide a method of alarm notification. An alert mode of a mobile device is activated based on an emergency situation in an area. The mobile device transmits an indication of the emergency situation to a communication network control system. The communication network control system confirms the indication of the emergency situation to the mobile device and notifies emergency personnel of the indication of the emergency situation. The communication network control system transmits an indication of the emergency situation to one or more additional mobile devices in the area.