อัปโหลดแล้ว 10 ปี ก่อนหน้านี้
Try this site http://profitadvisorygroup.com/telecom-audit for more information on Telecom Auditing. The objective of these audits is to ensure that the details given in the statement or the report is precise and no false methods have actually been used. Telecom Auditing are of a number of kinds, such as telecom costs audits as well as internal telecom audits. Telecom bill and billing auditing take care of the monitoring of the details offered on the invoice or the expense from the telecom services provider to see if it is correct as well as valid.
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