A method is provided for handling Internet Protocol Multimedia Subsystem (IMS) services in a roaming scenario of a user equipment. The user equipment is assigned to a home mobile communication network, and the user equipment is connected to a visited mobile communication network. The visited mobile communication network comprises at least one specific first network node among a plurality of first network nodes of the visited mobile communication network. In order to provide IMS services to the user equipment while roaming in the visited mobile communication network, the at least one specific first network node communicates with a second network node of the home mobile communication network. The method comprises: relating the user equipment to the at least one specific first network node in order to provide IMS services to the user equipment while roaming in the visited mobile communication network.