这些统计数据可以是任何内容，从产品销售信息，到呼叫中心接收的工作负载的范围。

It can be anything from information on the sales of products, to the spread of the workload received by a call center.

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该测试工具可以模拟多个SIP用户代理同时向SIP服务器发出呼叫，通过统计这些呼叫的处理情况来反映被测系统的性能。

The test tool simulates multiple SIP user agents to call the tested SIP server simultaneously and reflects the performance of the tested system by making statistic of the status of processed calls.

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国家统计表明，60%的电话呼叫中心的计费相关的。

National statistics show that 60% of all calls to a call center are billing related.

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