One embodiment relates to a method to parameterize a communication service delivered by a server of a service provider to a communication module of a user, the communication service being configured in accordance with an availability status, comprising detecting a change in context of use of a portable device of said user separate from said communication module, determining a new availability status as a function of the detected change in context of use, and transmitting a message relating to the new availability status to the server of the service provider or the communication module so that the communication service is configured on the basis of the determined new availability status.