US Patent 11394605 Communication system, communication apparatus, and program

An instruction terminal includes a storage that stores correspondence information that associates, for each of communication devices, identification information of the communication device and candidate parameters for communication with the communication device, a first instructor that issues an instruction to acquire the identification information of a network device that is a communication device of the communication devices and is connected to a communication apparatus via a network, a second instructor that issues an instruction to specify, from among candidate parameters that are included in the correspondence information and correspond to the identification information, a device parameter for the communication with the network device, and a receiver that receives specification information indicating the specified device parameter. A communication apparatus includes an acquirer that acquires the identification information from the network device, a specifier that specifies the device parameter from among the candidate parameters, and a transmitter that transmits the specification information.