Patent ID: 7822644

Claim:
A method of a first mobile communication device, the method comprising: relating, by the first mobile communication device, the first mobile communication device to a related second mobile communication device by establishing at least one rule between the first mobile communication device and the related second mobile communication device based on their proximity to each other; detecting, by the first mobile communication device, a presence of the related second mobile communication device; and authorizing, by the first mobile communication device, a communication with a third entity based on the at least one rule regarding the presence of the related second mobile communication device, wherein the at least one rule includes at least one of a priority of a transaction, a type of the transaction, a time of the transaction, a time between a plurality of transactions, an amount of the transaction, and an information on when the at least one rule can expire, wherein the authorizing communication with the third entity is implemented by the first communication device.