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Answer-seizure ratio : ウィキペディア英語版 | Answer-seizure ratio The answer-seizure ratio (ASR) is a measurement of network quality〔ITU SG2 Recommendation E.411: International network management - Operational guidance.〕 and call success rates in telecommunications. It is the percentage of answered telephone calls with respect to the total call volume. ==Definition== In telecommunication an attempted call is termed a ''seizure'' or total calls. The answer-seizure ratio is defined as 100 times the ratio of answered calls, i.e. the number of seizures resulting in an ''answer'' signal, divided by the total number of seizures:
Busy signals and other call rejections by the telephone network count as call failures. However, the inclusion in the ASR accounting of some failed calls varies in practical applications. This makes the ASR highly dependent on end-user action. Low answer-seizure ratios may be caused by far-end switch congestion, not answering by called parties and busy destination circuits.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Answer-seizure ratio」の詳細全文を読む
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