An intermediary apparatus for intermediating communications between a first communications apparatus and multiple second communications apparatuses is disclosed. The intermediary apparatus includes first receiving means for receiving from the first communications apparatus at least an operational request, first transmitting means for transmitting to a second communications apparatus to be a forwarding destination each operational request received by the receiving means according to a type of the operational request, second receiving means for receiving from one of the second communications apparatuses at least an operational response to the operational request transferred from the first communications apparatus, and second transmitting means for transmitting to the first communications apparatus each operational response received by the second receiving means.