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Grandstream UCM6304 COLLABORATION PLATFORM

Grandstream UCM6304 COLLABORATION PLATFORM

The Grandstream UCM6304 Collaboration Platform is a high-performance unified communications (UC) IP PBX appliance designed for medium to large organisations that require advanced voice, video, messaging, and collaboration features in a single on-premise system.

£950.00

The Grandstream UCM6304 Collaboration Platform is a high-performance unified communications (UC) IP PBX appliance designed for medium to large organisations that require advanced voice, video, messaging, and collaboration features in a single on-premise system.

It is part of the UCM6300 series, delivering a fully integrated communication hub that combines traditional PBX functionality with modern unified communications tools and cloud-enabled remote access through the Grandstream ecosystem.

Ideal For

  • Medium to large businesses
  • Multi-branch enterprises
  • High-capacity call environments
  • Contact centres and support operations
  • Hybrid and remote workforce deployments
  • Organisations replacing legacy PBX infrastructure

Benefits

The UCM6304 provides a centralised communications platform that unifies voice, video conferencing, messaging, and collaboration tools without requiring separate systems or recurring per-user licensing fees.

It supports secure remote access via Grandstream Wave and UCM RemoteConnect, enabling employees to connect from anywhere while maintaining enterprise-grade security.

Its high scalability makes it suitable for organisations that need strong performance, large user capacity, and advanced call handling features.

Telephony Capacity

  • Up to 3,000 users/extensions
  • Up to 300–450 concurrent calls (deployment dependent)

Network & Interfaces

  • 3 × Gigabit Ethernet ports
  • NAT router and firewall traversal support
  • 4 × FXO ports (PSTN lines)
  • 4 × FXS ports (analogue devices)

Collaboration

  • Built-in audio conferencing
  • Video conferencing support
  • Web meetings platform
  • Instant messaging and presence

Platform

  • Asterisk-based UC engine
  • Web-based management interface
  • SIP trunk and SIP endpoint support
  • GDMS cloud provisioning and monitoring

Next Day Delivery
For UK orders received before 1pm Monday to Friday, we operate a next business day delivery service, subject to availability. We use next day services from the leading delivery companies.

Specific Time Delivery
If you need an item urgently, or delivered at a specific time, please contact us.

Delivery Methods
We use several leading delivery companies. The majority of our deliveries are made by DPD, including most international orders.

Shipping prices are calculated during the checkout process. We deliver to almost every country. For international delivery services, we use DHL, a high quality, fast delivery service. Prices are provided based on the weight of the order; this is calculated when you reach the checkout.

For full shipping information please visit our shipping page.

Overview

The Grandstream UCM6304 Collaboration Platform is a high-performance unified communications (UC) IP PBX appliance designed for medium to large organisations that require advanced voice, video, messaging, and collaboration features in a single on-premise system.

It is part of the UCM6300 series, delivering a fully integrated communication hub that combines traditional PBX functionality with modern unified communications tools and cloud-enabled remote access through the Grandstream ecosystem.

Ideal For

  • Medium to large businesses
  • Multi-branch enterprises
  • High-capacity call environments
  • Contact centres and support operations
  • Hybrid and remote workforce deployments
  • Organisations replacing legacy PBX infrastructure

Benefits

The UCM6304 provides a centralised communications platform that unifies voice, video conferencing, messaging, and collaboration tools without requiring separate systems or recurring per-user licensing fees.

It supports secure remote access via Grandstream Wave and UCM RemoteConnect, enabling employees to connect from anywhere while maintaining enterprise-grade security.

Its high scalability makes it suitable for organisations that need strong performance, large user capacity, and advanced call handling features.

  • Supports up to 3,000 users/extensions
  • Up to 450 concurrent calls (model dependent configuration)
  • Built-in unified communications platform
  • Audio, video, and web conferencing
  • Instant messaging (IM) and collaboration tools
  • 4 × FXO ports (PSTN connectivity)
  • 4 × FXS ports (analogue device support)
  • 3 × Gigabit network ports with NAT router support
  • Zero-config provisioning for Grandstream endpoints
  • Secure boot and encrypted system architecture
  • API support for CRM and third-party integrations
  • Grandstream Wave softphone support (desktop, mobile, browser)
  • UCM RemoteConnect for secure remote access
  • GDMS cloud management support

Telephony Capacity

  • Up to 3,000 users/extensions
  • Up to 300–450 concurrent calls (deployment dependent)

Network & Interfaces

  • 3 × Gigabit Ethernet ports
  • NAT router and firewall traversal support
  • 4 × FXO ports (PSTN lines)
  • 4 × FXS ports (analogue devices)

Collaboration

  • Built-in audio conferencing
  • Video conferencing support
  • Web meetings platform
  • Instant messaging and presence

Platform

  • Asterisk-based UC engine
  • Web-based management interface
  • SIP trunk and SIP endpoint support
  • GDMS cloud provisioning and monitoring