The present invention is directed to preventing unauthorized switching of mobile communications service providers in a system using portable phone numbers that follow the customer, even when the customer switches mobile communications service providers. A portable phone number as associated with a customer...http://www.google.fr/patents/US20050085218?utm_source=gb-gplus-shareBrevet US20050085218 - Preventing unauthorized switching of mobile telecommunications service providers
Preventing unauthorized switching of mobile telecommunications service providers
Numéro de demande: 10/690,468 Numéro de publication: US 2005/0085218 A1 Date de dépôt: 20 oct. 2003 Brevet délivré: US7181197 ( Date de délivrance 20 févr. 2007)
