A telecommunications system and method for managing the eligibility of access to a satellite-based network by mobile originated and mobile terminated calls by including, for example, within the tables that the Terrestrial Network Manager (TNM) consults, information regarding areas with no allowed service...http://www.google.fr/patents/US6567668?utm_source=gb-gplus-shareBrevet US6567668 - Locator barring for satellite-based networks
