<p>There is provided a method that includes (a) obtaining a first balance indicative of a first available funding for a service for a subscriber, in which the first balance may be consumed by the subscriber; (b) obtaining a second balance indicative of a second available funding for the service, in which the second balance may be consumed by the subscriber; (c) determining whether both of the first and second balances are sufficient to provide for the service; and (d) issuing a communication to a device to permit usage of the service by the subscriber, if both of the first and second balances are sufficient to provide for the service.</p>
