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Business VoIP – Flexible PBX Integration, Limitless Potential

Built to Work with Any Business PBX

In modern enterprises, compatibility with diverse business phone systems is essential. Kolmisoft’s platform supports integration with virtually any SIP–based PBX—whether you’re using 3CX, VitalPBX, Yeastar, and others. This flexibility ensures seamless interoperability without vendor lock-in.

Designed for Real-World Compatibility

  • Works with Your Existing PBX – No need to rip and replace. Our system integrates gracefully with 3CX, VitalPBX, Yeastar, Yestar, and all SIP-compliant platforms. Kolmisoft Blog+1

  • VitalPBX Example – You can assign and route DIDs from MOR to VitalPBX, and bill outgoing calls—achieving a scalable, fully tracked infrastructure. Kolmisoft Blog

  • Open Interoperability – Any SIP-compatible PBX is supported, providing effortless integration across different platforms. Kolmisoft Blog

Why It Matters for Your Business

  • Protect Your Investment – Keep your preferred PBX in place, avoid costly migrations.

  • Offer More to Your Clients – Tap into enterprises already using PBX systems like 3CX or VitalPBX.

  • Simplify Support – Streamline operations by working within your clients’ existing infrastructure.

  • Maximize Adoption – When implementing VoIP, fewer barriers mean faster deployment and happier clients.

How Kolmisoft Complements PBX Systems

  • MOR Handles Backend Work – SIP trunking, routing, billing, DID management, and call control are managed centrally by MOR.

  • PBX Manages the Front End – Your PBX (3CX, VitalPBX, etc.) handles extensions, IVR, call queues, and user logic—together forming a powerful hybrid ecosystem. Kolmisoft Blog

  • Seamless SIP Integration – Connect via SIP trunk in minutes; the system handles the rest—billing, routing, and management included.

Ready to Support All PBX Platforms?

Whether your clients use 3CX, VitalPBX, Yeastar, Yestar, or another SIP-based PBX—Kolmisoft works with them all. This flexibility sets you apart and lets you deliver professional-grade Business VoIP solutions fast.