| 摘要 |
A PDSN ( 18 ) includes a usage recording agent ( 19 ) for distinguishing between nonbillable and billable activity of a subscriber device 12 . The usage recording agent ( 19 ) creates a record of a total number of bytes transmitted from the PDSN ( 18 ) to the RAN ( 14 ), counts bytes that are retransmitted from the PDSN ( 18 ) for providing a retransmitted byte total, and forwards the retransmitted byte total and the record to an AAA ( 28 ) so that the record can be adjusted in accordance with the retransmitted byte total.
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