Invention Grant
US09357085B2 Methods, systems, and products for monitoring service usage 有权
用于监控服务使用的方法,系统和产品

Methods, systems, and products for monitoring service usage
Abstract:
Usage information is received that describes usage of communication services by a communications device. The usage information is compared to monitoring criteria. When the monitoring criteria are satisfied, an electronic notification message is sent to the communications device before an additional charge is incurred.
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