| 摘要 |
Methods and systems for triggerless prepaid SMS screening and accounting in a signalling message muting node are disclosed. According to one method, a prepaid SMS screening, accounting, and routing node receives a first SMS message including mobile subscriber identification information. It is determined whether the mobile subscriber has prepaid SMS service or post-paid SMS service. In response to determining that the mobile subscriber has prepaid SMS service, it is determined whether the mobile subscriber has sufficient prepald SMS credit for delivery of the first SMS message.
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