Patent ID: 7975004

Claim:
A method for transmission of information between at least one first communications device and one second communications device, the method comprising: a preliminary step of defining a plurality of groups of customers, a step of addressing, during which at least one set of information elements intended for storage in an intermediate unit is referenced by an address including a usage session identifier, a usage session being defined as a sequence of successive activations of different communications devices, a step of storing at least one set of information elements in said intermediate unit distinct from the first and second communications devices, a step of designation by the first communications device of at least one group of customers authorized to access said set of information elements, at least one filtering step implemented by the intermediate unit in order to prevent any access to said set of information elements by a customer not belonging to said group of authorized customers, a step of generating a call identifier designed to form part of the address assigned to a set of information elements stored in the intermediate unit and to be temporarily related to a usage session identifier proper to the usage session considered, and a step of transmission of said call identifier via a signaling link set up between the first and second communications devices.