A method for pairing a multimedia receiver connected to an IP communication network with at least one mobile equipment connected to a mobile communication network using a communication protocol different from the protocol of the IP communication network, comprising steps of: - introducing, by a pointing device associated with the multimedia receiver, a unique identifier of the mobile equipment in an application associated with a communication interface with the IP communication network of the multimedia receiver, - transmitting, by the multimedia receiver, a message to the mobile equipment, the message comprising at least one pairing request and a command for acquiring a unique public address (Ad-pub) of the multimedia receiver on the IP network, said mobile equipment being identified on the mobile communication network by an address associated with the unique identifier, - receiving, by the mobile equipment, the message and transmitting a response message to the multimedia receiver identified on the IP communication network by the unique public address (Ad-pub) previously acquired, said response message comprising at least the unique identifier of the mobile equipment; - verifying, by the multimedia receiver, the unique identifier of the mobile equipment received by the response message by comparison with the unique identifier introduced into the application of the communication interface with the IP communication network; - when the verification is successful, establishing the pairing between the mobile equipment and the multimedia receiver, the mobile equipment forming a companion device of the multimedia receiver able to exchange with said multimedia receiver data packets each comprising the public address (Ad-pub) of the multimedia receiver and of the mobile equipment comprising at least the unique identifier of said mobile equipment. - introducing, by a pointing device associated with the multimedia receiver, a unique identifier of the mobile equipment in an application associated with a communication interface with the IP communication network of the multimedia receiver, - transmitting, by the multimedia receiver, a message to the mobile equipment, the message comprising at least one pairing request and a command for acquiring a unique public address (Ad-pub) of the multimedia receiver on the IP network, said mobile equipment being identified on the mobile communication network by an address associated with the unique identifier, - receiving, by the mobile equipment, the message and transmitting a response message to the multimedia receiver identified on the IP communication network by the unique public address (Ad-pub) previously acquired, said response message comprising at least the unique identifier of the mobile equipment; - verifying, by the multimedia receiver, the unique identifier of the mobile equipment received by the response message by comparison with the unique identifier introduced into the application of the communication interface with the IP communication network; - when the verification is successful, establishing the pairing between the mobile equipment and the multimedia receiver, the mobile equipment forming a companion device of the multimedia receiver able to exchange with said multimedia receiver data packets each comprising the public address (Ad-pub) of the multimedia receiver and of the mobile equipment comprising at least the unique identifier of said mobile equipment.