Yes we have..it imports every night the smdr file, fixes erros while importing and then stores everything in a MSDE database.
We have created various reports which you can access via IE 5.5 or higher. reports are available for extensions, huntgroups and accountcodes plus some general statistics.
Basically it's between cbc and ccc.
We have developped it for dutch market but it is adapted now for international deployment as well. Depending on your country we might need to make some minor changes.
Arnoud