📝 PRODUCT DESCRIPTION

Grandstream UCM6300A IP PBX – 250 Users Audio Only

The Grandstream UCM6300A is an enterprise-grade IP PBX server designed to deliver secure, scalable unified communications for up to 250 users. This audio-only model features 0 FXO and 0 FXS ports, making it ideal for fully SIP-based VoIP deployments that do not require analog trunk or extension support.

The Grandstream UCM6300A provides a powerful on-premise communication platform that supports voice calling, conferencing, call routing, and mobility integration. Designed for businesses seeking a license-free unified communications solution, the UCM6300A eliminates recurring subscription costs while delivering enterprise-level functionality.

With support for SIP trunking, remote extensions, and secure communication protocols, the Grandstream UCM6300A is ideal for organizations deploying IP phones and softphone applications across multiple locations. Its audio-only configuration focuses on voice communications without integrated video conferencing capabilities.

The Grandstream UCM6300A includes advanced security features such as TLS and SRTP encryption to protect voice traffic. Its centralized management interface simplifies configuration, making it suitable for corporate offices, healthcare facilities, education institutions, and growing enterprises.

Designed for reliability and scalability, the Grandstream UCM6300A supports call queues, IVR systems, voicemail, and call recording options. Businesses looking for a robust, cost-effective IP PBX server will find the Grandstream UCM6300A an ideal solution.

At RQ Communications, we provide verified Grandstream UCM6300A IP PBX systems ready for professional deployment.

Features – Grandstream UCM6300A

• Supports up to 250 users

• Audio-only unified communications

• 0 FXO / 0 FXS (SIP-based deployment)

• SIP trunk and remote extension support

• TLS & SRTP encryption

• Built-in IVR and call routing

• On-premise license-free PBX platform

Q&A Section

How many users does the Grandstream UCM6300A support?
It supports up to 250 users.

Does this model include analog ports?
No, this configuration includes 0 FXO and 0 FXS ports.

Is this a video conferencing PBX?
No, this is an audio-only unified communications server.

Is it license-free?
Yes, the Grandstream UCM6300A operates without recurring licensing fees.