Grandstream UCM6300A IP PBX (Audio Only)

Grandstream UCM6300A IP PBX Audio Only is an advanced unified communication platform designed for businesses that require reliable VoIP telephony, audio conferencing, and centralized communication management. Built for modern IP-based environments, this audio-only IP PBX supports SIP trunking, remote collaboration, instant messaging, and secure voice communication without traditional analog telephony interfaces. With support for up to 250 users and 50 concurrent calls, the UCM6300A delivers scalable performance for small and medium-sized businesses, branch offices, educational institutions, and enterprise deployments.

Product Features

High-Capacity VoIP Communication Platform

The UCM6300A supports up to 250 registered users and 50 simultaneous calls, making it suitable for growing organizations that require dependable and scalable communication infrastructure.

Integrated Audio Conferencing System

Built-in conferencing capabilities allow teams to host secure multi-party audio meetings without requiring additional conferencing hardware or external services.

Unified Communication and Collaboration

The system combines VoIP calling, instant messaging, mobility support, and remote communication tools into a centralized business communication platform.

Remote Access and Mobility Support

Users can connect remotely using Grandstream Wave applications for desktop, Android, iOS, and web platforms, enabling flexible communication from virtually anywhere.

Secure Enterprise-Grade Communication

Advanced security technologies including secure boot, unique security certificates, encrypted communication, and randomized default passwords help protect business communications and user accounts.

Zero-Touch Device Provisioning

The UCM6300A supports automatic provisioning for compatible SIP devices, simplifying installation, deployment, and management for IT administrators.

Gigabit Network Connectivity with PoE+

Integrated Gigabit Ethernet ports with PoE+ support provide high-speed connectivity and simplified deployment within modern business networks.

Cloud Management Compatibility

Support for Grandstream Device Management System (GDMS) and UCM RemoteConnect allows centralized cloud management, monitoring, and remote administration.

Flexible SIP and Third-Party Integration

The platform supports SIP endpoints, SIP trunks, CRM integration, PMS integration, and third-party communication solutions for enhanced business flexibility.

Product Specifications

• Product Name: Grandstream UCM6300A IP PBX Audio Only
• Model: UCM6300A
• System Type: Unified IP PBX Appliance
• Communication Type: Audio-only VoIP communication
• Supported Users: Up to 250 users
• Concurrent Calls: Up to 50 simultaneous calls
• Conference Capacity: Up to 50 conference participants
• SIP Trunk Support: Yes
• VoIP Protocol Support: SIP standard compatible
• Audio Codec Support: Full-Band Opus codec
• Network Ports:
  • 3 x Gigabit RJ45 Ethernet ports
• PoE Support: Integrated PoE+
• USB Ports: 1 x USB 3.0
• Storage Expansion: SD card support
• Display:
  • 320 x 240 color LCD screen
• Security Features:
  • Secure boot
  • Encrypted communication
  • Unique security certificates
  • Randomized default password
• Remote Access:
  • UCM RemoteConnect support
  • GDMS cloud management support
• Mobile and Desktop Support:
  • Android
  • iOS
  • Windows
  • Web client access
• Provisioning Support: Zero-touch auto provisioning
• QoS Support:
  • Layer 2 QoS
  • Layer 3 QoS
• Third-Party Integration:
  • CRM integration
  • PMS integration
  • SIP endpoint compatibility
• Telephony Platform: Asterisk-based architecture
• Deployment Type: On-premise IP PBX with remote cloud management
• Color: Black
• Business Application Support:
  • VoIP calling
  • Audio conferencing
  • Instant messaging
  • Remote collaboration
• Warranty: Manufacturer limited warranty