In the following description, a network does not include a public line. [0078] The remote management system includes managed apparatuses 10 (10 a, 10 b, 10 c, 10 d, 10 e, and 10 f) that are electronic apparatuses (communication apparatuses) each formed by incorporating a communication function in any of image processing apparatuses such as a printer, a facsimile (FAX) machine, a digital copier, a