| 摘要 |
A wireless device usable for prepaid wireless service is provided with the capability of requesting and receiving an identifier uniquely identifying an account associated with the wireless device. The identifier can be displayed by the wireless device. When payment to the account is desired, the identifier may be displayed and read at a point of sale terminal, which then accepts the payment and communicates the transaction to the wireless service provider. In such a manner, the account for the wireless device is properly credited by the payment amount.
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