To access the GSM Specific Processing Options:
In Configuration Console, click the appropriate Environment and select Local Services > ClearingHouse > servername_ClearingHouseService.
From the list of objects under the Clearinghouse Service, double-click GSM Specific Options. This displays the GSM Specific Options window.

The GSM Specific Options window displays the following information:
Default Recording Entity (MSC)
The default MSC (mobile switching center) that recorded the calls.
Create Test Files
Check the check box if you want test files to be created.
Enter the appropriate information and click Save to continue.