Hello, The software includes critical bug fixes for parallel prepaid calls. The software can be downloaded from: http://download.ag-projects.com/CDRTool/ Changelog since 6.6.3 cdrtool (6.6.8) unstable; urgency=low * Log debit balance to prepaid_history table cdrtool (6.6.7) unstable; urgency=low * Do not debit balance for inexistent prepaid sessions cdrtool (6.6.5) unstable; urgency=low * Fixed purging of expired prepaid sessions cdrtool (6.6.4) unstable; urgency=low * Added links to Prepaid calls and quota in the main menu * Fixed showFooter() when exporting csv files from rating page * Fixed prepaid table mysql schema Regards, Adrian