On S series (eg S100) there is a limit of 500000 CDR records. For a busy call centre, I would like this to be 1 million or 2 million records.
It is easy to export all the records to xls, and then delete the 500000 and start again.
The problem is that the voice recording (really important) are deleted as well.
For a busy system, I use an external HD to store the voice recordings.
I guess a solution would be to allow larger CDR tables, with a rule that it must be on external HD