Patent ID: 8532623

Claim:
A method of a mobile communication device, the method comprising: obtaining a service provider identity from a SIM; generate a balance information query to the service provider using the obtained service provider identity from the SIM; determining a format of the balance information query particular to the service provider from a plurality of supported formats; generate a communication to the service provider for transmission via a wireless transceiver, based on format information and including the balance information query, wherein the format information includes channel information for transmission of the communication to the service provider; receiving an incoming balance information message from the service provider; identifying the incoming balance information message from the service provider according to the format of the balance information message; determining whether the incoming balance information message conforms to the format of the balance information query, among the plurality of supported formats, stored in a memory of the mobile communication device; and writing at least a balance information of the incoming balance information message to a memory of the mobile communication device if the incoming message conforms to the format of the balance information query.