1. A method of processing an advertisement message broadcast in a hybrid telecommunications network by an access point with which at least one first node of said network has been registered by sending a registration request, this method being suitable for being used by a second node of said network, and comprising: sending by said second node to said access point a response message to said advertisement message; a first verification during which said second node verities that it has a status representing the fact that it has not contributed to routing said registration request; wherein said sending is effected only if said first verification is successful.