A method of configuring a multimedia device connected to an interconnection device and to at least one terminal is disclosed. The multimedia device includes a service interface to the interconnection device and a terminal interface to said terminal. The method includes an initialization phase including receiving, through the service interface, a first request to obtain an identification parameter authorizing access to a configuration module for the multimedia device, and transmitting, through the service interface, a message destined for the terminal comprising the identification parameter requested. The method includes a configuration phase including identifying the interface through which a second request to access the configuration module is received, sending to the terminal a third request through the terminal interface when the second request is received through the terminal interface for transmission of the identification parameter, and receiving, through the terminal interface, a message sent by the terminal including the identification parameter.