Grandstream UCM6302 IP PBX – 1000 Users, 150 Concurrent Calls, 2 FXO Ports

The Grandstream UCM6302 IP PBX is a reliable and secure unified communication solution built for small to mid-sized businesses that need robust voice, video, messaging, and data services in a single on-premise platform.

Part of the UCM6300 Series, the UCM6302 offers excellent performance at an affordable price point. It supports up to 1000 SIP users and 150 concurrent calls, making it perfect for companies transitioning from analog to VoIP or expanding their communication infrastructure.

This model is equipped with 2 FXO ports for PSTN integration and 2 FXS ports to connect traditional analog phones or fax machines. It also includes Gigabit Ethernet ports, built-in NAT routing, and an intuitive web-based interface for easy setup and management.

The UCM6302 features enterprise-grade security with TLS and SRTP encryption, automatic failover, and secure backup options. It’s compatible with Grandstream’s Wave mobile and desktop app, allowing team members to stay connected from anywhere—ideal for hybrid and remote work.

With built-in video conferencing support, the UCM6302 allows seamless collaboration across locations without the need for third-party licenses or subscriptions. It integrates natively with Grandstream GVC conferencing systems, softphones, and SIP endpoints.

Other core functionalities include:

• Voicemail-to-email

• Call queues and IVR

• Call recording and monitoring

• Hot desking and intercom paging

• WebRTC and API support

• GDMS integration for centralized cloud-based management

Thanks to its intuitive GUI and compatibility with Grandstream IP phones and other SIP-based devices, deployment is quick and hassle-free. You also avoid recurring fees—no licenses required to access full features.

Whether you’re a small law firm, retail chain, clinic, or service center, the UCM6302 provides a professional-grade telephony system that scales with your business.

🔹 Key Features of Grandstream UCM6302:

• Supports 1000 SIP users and 150 concurrent calls

• 2 FXO ports + 2 FXS ports for PSTN and analog devices

• Dual Gigabit Ethernet ports with NAT

• Built-in video conferencing, web meetings, and chat

• TLS/SRTP encryption, secure backups, and failover

• Supports Wave App for mobile and desktop UC

• Full integration with Grandstream IP phones & GVC devices

• Central management via GDMS

• No license fees

The UCM6302 is a versatile choice for organizations looking for secure, scalable, and cost-effective VoIP solutions.
Check also UCM6304

🔹 Other Resources

• Grandstream UCM6302 Product Page

• UCM6302 Datasheet PDF

• GDMS Cloud Portal