Data communication apparatus with test communication, central managing apparatus, testing method, remote managing system and computer-readable storage medium

摘要

A data communication apparatus is provided with a connecting section connectable to at least one managed apparatus, a sending section calling via a communication line a central management apparatus which remotely manages the managed apparatus and sending status information of the managed apparatus to the central managing apparatus, a set section set with parameters from the central managing apparatus, where the parameters include a called telephone number which called by the status information sending section and/or line type information which indicates a type of line, and a communication section responding to a request from the central managing apparatus and calling the called telephone number to make a test communication.