Billing for FusionPBX will allow you get money. Currently, Stripe, Paypal and Off-line plugins are available, but others gateways can be coded. It supports multicurrency as well, you can bill one customer in EUR, other in USD, other in MXN and pay in USD.
The big advantage of this project is it is inside the FusionPBX itself. This allows billing for many other items, such as extra extensions, assigned DID and more.
An IT Company whose mission is generating value with low cost of ownership.
We will offer you Linux based solutions that satisfy your needs. We focus on VoIP & Linux, but we are up for any other challenge you may want to bring.