Communication system, control terminal, control method, and recording medium

A control terminal comprising:

• a wireless communicator;
• and
• a controller,
• wherein using the wireless communicator, the controller:
• connects to a first device among a plurality of devices by wireless communication in a second wireless communication mode different from a first wireless communication mode, the plurality of devices forming a mesh network and performing wireless communication in the first wireless communication mode in the mesh network;
• and
• transmits, to the first device, a withdrawal request signal for causing a second device different from the first device among the plurality of devices to withdraw from the mesh network.

A control method comprising:

• connecting, by a control terminal, to a first device among a plurality of devices by wireless communication in a second wireless communication mode different from a first wireless communication mode, the plurality of devices forming a mesh network and performing wireless communication in the first wireless communication mode in the mesh network;
• transmitting, by the control terminal, to the first device, a withdrawal request signal for causing a second device different from the first device among the plurality of devices to withdraw from the mesh network;
• and
• withdrawing, by the second device, from the mesh network when the second device receives the withdrawal request signal from the first device via the mesh network.