| 摘要 |
PROBLEM TO BE SOLVED: To provide information communication equipment having an electronic mail function, with which a maintenance person can not only execute an instruction in silence but also know the executed result of the instruction. SOLUTION: A maintenance person A transmits an electronic mail M-request, describing a control sentence in a format commonly defined between venders/ machine types, to single or plural pieces of operation object information communication equipment (a), and the operation object information communication equipment (a), which receives the electronic mail M-request, returns an electronic mail M-reply describing the instruction executed result, so that the conversation using the electronic mail can be established between plural pieces of operation object information communication equipment (a), for which the vender/machine type is ignored at a certain level, and the maintenance person A. |
