Device and notification method

A device connected to at least one base station to be connected to a first terminal, the device comprising:

• a grasping processor configured to grasp, for each of the base stations, before the occasion, the number of the first terminals which are connected to the base station;
• a transmission processor configured to transmit, to the first terminal, on a predetermined occasion associated with occurrence of a disaster, a signal for prompting to send a reply by a voluntary operation;
• a determination processor configured to determine whether or not information transmitted from the first terminal in response to the transmission is voluntary information transmitted by the voluntary operation performed by a user of the first terminal;
• a processing processor configured to transmit, to a predetermined second terminal, safety information indicating that a user of the terminal is safe, as a predetermined processing associated with safety of a user of the first terminal when the determination processor determines that the information is the voluntary information;
• a number-of-safe-people calculation processor configured to calculate, for each of the base stations, the number of the first terminals associated with transmission of the safety information indicating being safe;
• a number-of-people-not-confirmed-as-alive calculation processor configured to calculate, for each of the base stations, a value obtained by subtracting the number of the first terminals calculated by the number-of-safe-people calculation processor from the number of the terminals grasped by the grasping processor;
• and
• a first reporting processor configured to transmit, for each of the base stations, the value calculated by the number-of-people-not-confirmed-as-alive calculation processor and a predetermined base station identifier indicating the base station, to the server which is connected to the device, wherein
• the transmission processor is configured to transmit, for each of the base stations, the signal to the first terminal connected to the base station, on the occasion.

A notification method comprising:

• transmitting, to a first terminal which is connected, on a predetermined occasion associated with occurrence of a disaster, a signal for prompting to send a reply by a voluntary operation;
• determining whether or not information transmitted from the first terminal in response to the transmission is voluntary information, transmitted by the voluntary operation performed by a user of the first terminal;
• performing predetermined processing associated with safety of a user of the first terminal when it is determined in the determination that the information is the voluntary information;
• and
• transmitting safety information indicating that it is unknown whether a user of the first terminal is alive, to a server which is connected, when determining in the determination that the information is not the voluntary information.