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The Distributor-PBX Partner

At GranSun, your success is our success. We've shifted our focus to become a dedicated PBX distributor, providing our partners with a robust platform and a partnership model built on mutual growth.

For Your Business: High-Margin Opportunities

Offer a sought-after, feature-rich PBX solution to your clients. Our competitive pricing and scalable platform are designed for your profitability.

For Your Clients: A Superior Communication Experience

Deliver a reliable, high-definition voice quality solution that enhances their productivity and connectivity.

For You: Unwavering Support

From technical onboarding to marketing resources, our team is committed to supporting your success every step of the way.

Introducing the GranSun PBX Platform

The GranSun PBX is a powerful, multi-tenant platform that puts you in complete control. Designed for scalability and ease of management, it's the ideal foundation for your VoIP service offerings.


✔  Multi-Tenant Architecture:

Effortlessly manage multiple client systems from a single, intuitive interface.


 Role-Based Administration:

Delegate tasks with precision by creating custom user roles and permissions.

✔  Cloud-Based Flexibility:

No on-site hardware for your clients means faster deployment and lower maintenance costs