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JOnline: Billing Audit on a Mobile Operator—Call Detail Record
瀏覽：480
日期：2024-08-14
A call detail record (CDR) in the telecom sector is a file that contains information about voice calls. CDR files are used to help determine call rates and the calculation of billable amounts, such as international direct dialing (IDD) calls, as they cont...看更多
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