| 摘要 |
A testing environment and a method for telephone number identification and/or verification. The testing environment and method of the present invention analyzes incoming analog signals of a telephone call being made to the tested line as the receiving party from the central office switch. These incoming analog signals preferably include ring signal, waiting call tone and voice signals. The incoming analog signals are analyzed and processed by the testing unit according to the present invention in order to identify and/or verify the telephone number. Thus, the testing environment and method of the present invention has the advantage of being able to analyze data received from the tested line as the receiving party, rather than requiring the tested telephone line to initiate the telephone call for testing purposes.
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