A system and method for supplying communication service value is disclosed. In one embodiment, the method includes distributing indicia of an identifier to a merchant for distribution to a customer having a customer account. The identifier has an associated service value that is redeemable with a plurality...http://www.google.fr/patents/US7333955?utm_source=gb-gplus-shareBrevet US7333955 - System and method for securing communication service
System and method for securing communication service
