A method is provided in which determines user availability on the basis of the manner in which a person uses a computing device that is associated with a telecommunications terminal. Specifically, the present invention is for a method in which a telecommunications terminal determines whether its user is available to accept an incoming invitation to participate in a telecommunications session based on: (1) a characteristic of the use of a software application, (2) a characteristic of the use of a resource of a terminal, (3) a sensor input, (4) a characteristic of the incoming invitation or (5) any combination of (1), (2), (3), (4), and (5).