Full API integration
Smart API access makes integrating your own applications with Class 4 Fusion simple and stress-free.
Class 4 Fusion features
Run routing, billing, monitoring, portals, supplier workflows, fraud controls, and automation from one operator-grade switching platform.
Operating system for VoIP traffic
Smart API access makes integrating your own applications with Class 4 Fusion simple and stress-free.
Free LERG and LRN updates are included out of the box, reducing dependence on additional services.
Terminate tens of thousands of CPS on a dual-server deployment while preserving operational savings.
Automated rate generation, fraud blocking, archive automation, reporting, and invoicing keep routine work moving.
Complete Class 4 workflow
The feature set is organized around how VoIP teams actually run traffic: route quality, rating accuracy, live controls, portals, settlement, and automation.
Build precise routing plans for real carrier traffic with cost, margin, and quality rules close to the switch.
Keep customer and vendor financial workflows connected to the same CDR and rate data used by operations.
Watch live performance signals while traffic is moving, then respond before a routing issue becomes a billing issue.
Give customers a focused portal for the operational tasks they repeat most often.
Keep supplier rates, CDRs, settlement data, and vendor invoices visible to the teams that manage routes.
Connect provisioning, reporting, and custom business systems without forcing operators into manual export loops.
Ready to see it on your traffic model?