Apparatus, method and program for transmitting and receiving data to and from IOT device

Transmitting or receiving data between IoT device and external server on IP network, with a first server receiving signaling data including a message over a cellular network from the IoT device, the signaling data transmitted to a telephone number of the first server, a second server identifying a destination of the message or data corresponding to the message based on the signaling data, the signaling data includes a destination identifier being a numeral or a symbol with predetermined digits or digits less than the predetermined digits, different from the telephone number, and indirectly representing the destination of the external server on the IP network, the destination is specified with reference to a correspondence between destination identifiers includable in the signaling data and URLs of external servers, and the second server transmits the message or data corresponding to the message to the destination by an HTTP request over IP network.