Patent ID: 8811963

Claim:
A method of controlling establishment or suppression of a telephone connection between a calling terminal of a calling part and a called mobile communications terminal via a mobile communications network with the calling party determining in which case or cases of reachability of the called mobile terminal the telephone connection is to be established or suppressed, at least one mobile telephone number being assigned to the mobile communications terminal, the method comprising the steps of: the calling party calling the mobile terminal using the mobile telephone number thereof; adding to the called telephone number a supplement as a control parameter that is independent from the called mobile telephone number and that indicates a case of reachability of the called mobile terminal depending on which the telephone connection is to be established or suppressed; determining the reachability of the mobile communications terminal at least by checking the establishment of an alternate call routing; analyzing if the determined reachability corresponds to the case of reachability indicated by the supplement; establishing the telephone connection only if the determined reachability corresponds to the case of reachability indicated by the supplement; and logging the mobile communications terminal into a definable mobile communications network, or within a definable group of mobile communications networks or into a definable mobile communications network area.