0 FXO, 0 FXS, 250 Users AUDIO ONLY

Streamlined Audio Unified Communications for Modern Teams

The Grandstream UCM6300A is a dedicated audio-oriented IP PBX appliance designed for organizations that prioritize high-quality voice, instant messaging, and seamless collaboration. Part of the UCM6300 Audio Series, this model provides a centralized platform that unifies voice meetings, audio web meetings, data, and mobility features onto a single network. By focusing on professional-grade audio and instant messaging (IM) tools, it offers a powerful communication hub without the overhead of video conferencing hardware.

Powerful Voice Performance with Scalable Capacity

Engineered for efficiency, the UCM6300A supports up to 250 users and handles up to 50 concurrent calls simultaneously. It is built on the Asterisk version 16 open-source telephony platform, ensuring robust call features like IVR, call recording, and advanced call routing. The system supports the Full-Band Opus voice codec and features advanced jitter resilience, maintaining crystal-clear audio quality even during network instability or up to 50% packet loss.

Secure Remote Access and Simplified Management

Security is a foundational element of the UCM6300A, acting as a secure gatekeeper for your network through secure boot, unique security certificates, and SRTP/TLS/HTTPS encryption. It features an automated NAT firewall traversal service to facilitate secure remote connections for off-site employees. For IT administrators, the system integrates fully with the Grandstream Device Management System (GDMS) for zero-touch cloud provisioning and remote monitoring, significantly reducing deployment time.

Complete Ecosystem and Mobile Productivity

The UCM6300A pairs seamlessly with the free Wave app, allowing staff to collaborate via desktop, web, or mobile devices (Android/iOS) from any location. To enhance office productivity, the system provides zero-configuration provisioning for Grandstream SIP endpoints. Users can further customize their setup with professional corded headsets or wireless headsets via their IP phones, while the PBX manages high-end audio conferencing bridges for up to 50 parties. This makes the UCM6300A a comprehensive, all-inclusive solution for businesses that require high-tier communication without recurring per-seat licensing fees.