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: a step of said second node sending said access point a response message to said advertisement message; a first verification step during which said second node verifies that it has a status representing the fact that it has not contributed to routing said registration request; and said sending step is effected only if said verification first step is successful.