FIELD: radio engineering, communication.
SUBSTANCE: mobile phone is converted into a listening device based on the radio to gather and transmit audio data. To configure the mobile phone as a unidirectional registered transmitter in response to a connection request from a phone with a virtual number, the information is received, containing the transmitting number, corresponding to the mobile phone, and the virtual number. The mobile phone is identified as a bug, if the transmitting number coincides with the one, stored in association with a virtual number in the display table. Then instructions are sent for the connection of the mobile bug to virtual number, in order to allow the bug tracking. The outgoing audio signal to the bug is deactivated.
EFFECT: capability to track staff at their workplaces during the office hours.
20 cl, 9 dwg
