ZyXEL Communications ISG50-ISDN, Application Note

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9. How to Audit Call Usage with Report and Analyzer to Improve Working Efficiency?
The company wants auditing and reporting of the communications to evaluate if the call usage is effective and efficient. The ISG50 has a built-in
CDR database that automatically stores call activities and includes phone records with details. The network administrator can use the CDR
database to search for abnormal activities in order to improve working efficiency.
CDR
Goal to achieve: Search for the call history for any calls including internal calls and external calls in the past 24 hours.
Condition:
Search period: Last 24 hours
Direction: all directions
The ISG50 has a built in CDR database that automatically stores calls
made to or from its extensions. The administrator can decide if
internal calls are logged in the CDR record.
When the local database is full, the ISG50 removes all the CDRs from
the local database and creates an “Aged File” and sends the Aged
CDR records to the specified E-mail address. The E-mail address is
also used for receiving alerts indicating that the CDR file is half full
when the “Enable Alert” is selected.