Method for transferring an entitlement from a first party to a second party in a communication network. The second party which is preferably a mobile communication connects to a mobile communication network and to a peer-to-peer network. The second party selects, over the peer-to-peer network, entitlement offered by the first party to purchase or to use a product or a service. The second party effects the entitlement, using the mobile communication terminal, to purchase or to use the product or the service.