Communication system, control terminal, and method for managing communication system

A control terminal configured to be able to communicate with one or more communication devices mutually communicating via a first network, the control terminal comprising:

• a communication circuit capable of being connected to the first network;
• a storage configured to store a first system management table including a first system identification information indicating that the one or more first communication devices belong to a first communication system and the information on the one or more first communication devices;
• and
• a control circuit configured to control the one or more communication devices and to transmit a command via the first network to the one or more communication devices to which the first system identification information is attached.

A method for managing a communication system comprising one or more first communication devices mutually communicating via a first network and a control terminal configured to control the one or more first communication devices via the first network,

• wherein first system identification information indicating that the one or more first communication devices belong to a first communication system is attached to the one or more first communication devices;
• wherein the control terminal has a first system management table including the first system identification information and the information on the one or more first communication devices;
• and
• wherein the control terminal is configured to transmit a command via the first network to the one or more first communication devices to which the first system identification information is attached.