This module allows businesses to print out reports on phone usage per user based on their pin number. It does not track usage by extension. The module is aimed to address the needs of keeping track of employee costs.
A more full featured costing solution like A2Billing is overkill in most cases. This is aimed at a much more limited use case. For larger asterisk installation the performance may be slow.
It would be best to run the reports during non-peak periods. We are investigating ways to optimise the pdf report generation.