Monitoring a status of a disconnected device by a mobile device and an audio analysis system in an infrastructure

A computer program product for monitoring an operation status of a disconnected device by a mobile device and an audio analysis system in an infrastructure, wherein the mobile device has connectivity to the infrastructure and the disconnected device has no connectivity to the infrastructure, the computer program product comprising a computer readable storage medium having program code embodied therewith, the program code executable to:

• receive from the user, by the mobile device, a selection of the disconnected device in a list of disconnected devices;
• determine, by the mobile device, a location of the mobile device;
• determine, by the mobile device, whether the mobile device is in proximity to a predefined location of the disconnected device;
• invoke, by the mobile device, passive listening of the mobile device to a sound generated by the disconnected device, in response to determining that the mobile device is in proximity to the predefined location of the disconnected device;
• determine, by the mobile device, whether the sound can be detected by the mobile device;
• stream, by the mobile device, audio with information of the location of the mobile device to the audio analysis system, in response to determining that the sound can be detected by the mobile device, wherein the audio is recorded during the passive listening;
• and
• receive, by the mobile device, a notification of the operation status of the disconnected device.