Its provide you to configure outbound trunk Inbound Trunk for DID incomeing calls, also included Audio Video Conferencing feature with control panel, IVR, Voicebox, also included all plugin related Inbound Outbound Call Center, CRM, WEBRTC.
--> A2Billing is a open source VOIP Billing Application, It's provide you complete solution regarding VOIP Billing,
1. Customer Management
2. VOIP Device Options
3. Calling Card and CallBack
4. Traffic Reporting
5. Rating Engine
6. Supported Trunk and Protocols
7. DID Delivery
8. Invoicing and Payment
9. Agent Functionality
10. Customer Portal
11. Online Signup
I will provide you complete solution regarding freepbx, elastix, a2billing.
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