| 摘要 |
PROBLEM TO BE SOLVED: To provide a communication system in which the convenience is improved when an object is registered in a management device.SOLUTION: According to a user's operation, equipment D4 transmits, to equipment D5, the registration state notification to notify of the registration in an NW management device C1. According to the user's operation and the registration state notification, the equipment D5 transmits, to the equipment D4, "request to send" which requests the equipment D4 to transmit, to the NW management device C1, the transition request for shifting to a registration mode. According to the request to send, the equipment D4 transmits the transition request to the NW management device C1. According to the transition request, the NW management device C1 shifts to the registration mode, and the equipment D5 transmits, to the equipment D4, a request to start authentication at the timing when the NW management device C1 is in the registration mode. |
