An integrated gateway capable of relaying to individually control a plurality of devices and an integrated control system having the same are disclosed. Such an integrated control system includes a plurality of devices, a user terminal, an integrated gateway, and a management server. The user terminal receives visible light signals from the devices, respectively and extracts ID information for the devices using the visible light signals. The integrated gateway receives the ID information and the location information on the devices from the user terminal through a first wireless communication. The management server receives the ID information and the location information from the integrated gateway and stores the same. The management server transmits control information for controlling at least one target device of the devices and ID information of the target device to the integrated gateway. The integrated gateway accesses the target device through a second wireless communication using the ID information of the target device and transmits the control information to the target device. Thus, the ID information of the devices can be easily identified and relayed to individually control the devices.
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