Induction heating system comprising a hotplate and one or more electronic items (20, 21, 22, 23) for communicative cooking able to communicate with the hotplate, the hotplate comprising: - at least two induction heating zones (2, 3, 4, 5) for supporting one or more electronic items (20, 21, 22, 23) communicating with the hotplate, - a control unit connected to each heating zone (2, 3, 4, 5) and - a communication device connected to the control unit and able to receive from the communicating electronic item or items (20, 21, 22, 23) or even from a portable communication terminal: - activation signals of the control unit, - control signals of the heating power of the heating zone (2, 3, 4, 5) once a communicating electronic item (20, 21, 22, 23) is detected and paired with said heating zone (2, 3, 4, 5) or - confirmation signals of the pairing which indicate that a magnetic flux generated by a heating zone (2, 3, 4, 5) has been detected by a communicating electronic item (20, 21, 22, 23); the electronic item or items (20, 21, 22, 23) for communicative cooking comprising a unit for processing the signal for generating the at least one activation signal, the confirmation signal and/or the control signal, a device for measuring a magnetic field connected to the processing unit and arranged to generate the confirmation signal and a communication module able to communicate with the communication device of the hotplate; where in said system the control unit has a functioning mode referred to as scanning in which all of the heating zones (2, 3, 4, 5) are supplied consecutively for a defined period when the communication device receives an activation signal or when the communication device no longer receives a confirmation signal emitted by one of the one or more electrical items (20, 21, 22, 23) for communicative cooking, this mode of scanning being performed during a defined period or until the control unit receives a confirmation signal of the paring between a communicating electronic item (20, 21, 22, 23) and one of the heating zones (2, 3, 4, 5). - at least two induction heating zones (2, 3, 4, 5) for supporting one or more electronic items (20, 21, 22, 23) communicating with the hotplate, - a control unit connected to each heating zone (2, 3, 4, 5) and - a communication device connected to the control unit and able to receive from the communicating electronic item or items (20, 21, 22, 23) or even from a portable communication terminal: - activation signals of the control unit, - control signals of the heating power of the heating zone (2, 3, 4, 5) once a communicating electronic item (20, 21, 22, 23) is detected and paired with said heating zone (2, 3, 4, 5) or - confirmation signals of the pairing which indicate that a magnetic flux generated by a heating zone (2, 3, 4, 5) has been detected by a communicating electronic item (20, 21, 22, 23); - activation signals of the control unit, - control signals of the heating power of the heating zone (2, 3, 4, 5) once a communicating electronic item (20, 21, 22, 23) is detected and paired with said heating zone (2, 3, 4, 5) or - confirmation signals of the pairing which indicate that a magnetic flux generated by a heating zone (2, 3, 4, 5) has been detected by a communicating electronic item (20, 21, 22, 23);