Altigen Call Detail Reporting Manual page 34

If Save is selected, Remove is disabled and AltiWare saves all data
that overflows the Retain Records setting each day at midnight.
Example:
• Retain Records is set to 60 days
• Save db is selected
• Renew Backup is set to every month
On day 61 a backup file is started in the DBBackup folder.
Each day's RTM data is added to this file for one month. At
the end of a month, a new file is started in DBBackup, which
is likewise appended with each day's RTM data every day at
midnight.
— Naming conventions for the backup files are <yyyymmdd>.mdb.
Backup files are not overwritten by the Renew process.
— Backup files are dated and renewed according to the following
schedule, regardless of when the user actually makes the Renew
selection.
Table 3. AltiDB backup schedule
Renew setting
day
week
2 weeks
month
3 months
6 months
year
If Remove is selected, the Save and Renew settings are disabled and
no backups are created. When the Retain Records limit is reached, the
CDR Overview
Renewal Dates
daily, at midnight
every Sunday
the 1st and 15th of every month
the first of every month
December, March, June, September
January and June
January
CDR Manual 25