A method is disclosed of providing services to private terminals belonging to a private network including a private database which contains primary identifiers of the private terminals associated with first data representative of services to which the private terminals have access within the private network and which can be connected to a public network including an intelligent platform and connected to the private network. The method includes a first step in which there is stored, at an address accessible to the intelligent platform, second data representative of at least a portion of the private database and, at an address of the public network, third data representative of the primary identifier of each private terminal, of the associated private network, and of the intelligent platform having access to the second data of the private network. In a second step, if a private terminal sends a service request over the public network, the third data associated with the primary identifier of the requesting private terminal is extracted, after which the data of the request is compared to the second data designated by the extracted third data to authorize or not the platform designated by the extracted third data to implement the required service.