| 摘要 |
An IP telephone, a main apparatus, and a PC are connected to a network. The PC is installed with a PC application for remote-controlling the IP telephone. The IP telephone has a port for communication with the PC application via the network. The PC recognizes the IP telephone as a remote-controlled IP telephone via the network by the use of the PC application, produces a remote control instructing command (log information collection instructing command or upgrade instructing command) for the IP telephone by the use of the PC application, and transmitting the remote control instructing command to the network, thereby remote-controlling (instructing log information collection or upgrading) the IP telephone not through the main apparatus.
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