Rational Performance Tester for SIP 通过模仿多个用户，提供了进行功能性校正与性能测试的 SIP 应用软件测试工具。
Rational Performance Tester for SIP provides tools to test SIP applications for functional correctness and run performance tests by emulating multiple users.
采用软件校正，提高了测量精度和整机的可靠性。
Software calibration method is used to increase measuring accuracy and reliability.
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