Fecha de publicación: 06/05/2022 Fuente: Wipo "IOT" The invention provides a method for determining an IOT service. The method comprises the following steps: a first node obtains IOT capability information and/or IOT tendency information from a second node; and the first node determines the IOT behavior of the UE according to the acquired IOT capability information and/or IOT tendency information. The invention further discloses a corresponding device for determining the IOT service. The invention also discloses an IOT service behavior control method and equipment, and a method and equipment for selecting a core network node. According to the invention, the overhead of signaling resources can be effectively reduced, and the utilization rate of the resources is improved.