Abstract: A personal safety system, including: a mobile telephone device; and a personal safety device, including: a sensor, a transceiver module configured to send, in response to activation of the sensor by a user, an activation signal to the mobile telephone device via a wireless link, and an indicator configured to indicate to the user: a device state of the personal safety device, including an activated state corresponding to the activation of the sensor; and reception of an incoming call or message by the mobile telephone device, wherein: the mobile telephone device is configured to generate an alert signal based on the activation signal, and to send the alert signal to a recipient based on alerting configuration data representing the recipient pre-selected by the user; the alert signal represents user location data representing a location of the mobile telephone device; and the sensor includes a proximity sensor which is activated by the personal safety device being out of communication range of the mobile telep