If your voip switch provides you a CDR, we will be able to create a billing for it based on your specifications. If you do not have your own database, based on the number of calls and your unique requirements, we can guide you on the database design and the billing procedures. After the CDRs are billed and inserted into your database, we can then create a web interface to show to your customers based on your specifications.
We have a CDR designed for voipswitch.
For a demo, please click here: http://www.voipbro.com/voipswitch-billing/