Office Electronics that Keep You Connected and Secure

My Cart

Grandstream UCM6308 COLLABORATION PLATFORM

Grandstream UCM6308 COLLABORATION PLATFORM

The Grandstream UCM6308 Collaboration Platform is the highest-capacity IP PBX appliance in the UCM6300 series, designed for large enterprises, call centres, and high-density multi-site communications requiring maximum scalability, performance, and unified communications features.

£1,300.00

The Grandstream UCM6308 Collaboration Platform is the highest-capacity IP PBX appliance in the UCM6300 series, designed for large enterprises, call centres, and high-density multi-site communications requiring maximum scalability, performance, and unified communications features.

It combines voice, video, messaging, conferencing, and secure remote access into a single on-premise platform with cloud-assisted management through the Grandstream ecosystem.

Ideal For

  • Large enterprises
  • High-volume call centres
  • Multi-site organisations
  • Government and education networks
  • Enterprise contact centre deployments
  • Businesses requiring maximum PBX scalability

Benefits

The UCM6308 delivers enterprise-grade communications at scale, supporting thousands of users and very high concurrent call volumes in a single system.

It eliminates the need for multiple PBX systems by centralising all communications—voice, video, conferencing, and messaging—into one platform.

With built-in remote connectivity and cloud integration options, it supports hybrid and distributed workforces while maintaining full control on-premise.

Telephony Capacity

  • Up to 3,000 users/extensions
  • Up to 450 concurrent calls
  • High-capacity SIP trunk handling

Network & Interfaces

  • 3 × Gigabit Ethernet ports
  • NAT router and firewall traversal support
  • 8 × FXO ports (PSTN connectivity)
  • 8 × FXS ports (analogue devices)
  • USB and SD expansion support (model dependent)

Collaboration

  • Audio conferencing (up to ~300 participants)
  • Video conferencing support (multi-stream HD sessions)
  • Web meetings platform
  • Instant messaging and presence

Platform

  • Asterisk-based unified communications engine
  • Web-based administration interface
  • SIP endpoint and SIP trunk 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 UCM6308 Collaboration Platform is the highest-capacity IP PBX appliance in the UCM6300 series, designed for large enterprises, call centres, and high-density multi-site communications requiring maximum scalability, performance, and unified communications features.

It combines voice, video, messaging, conferencing, and secure remote access into a single on-premise platform with cloud-assisted management through the Grandstream ecosystem.

Ideal For

  • Large enterprises
  • High-volume call centres
  • Multi-site organisations
  • Government and education networks
  • Enterprise contact centre deployments
  • Businesses requiring maximum PBX scalability

Benefits

The UCM6308 delivers enterprise-grade communications at scale, supporting thousands of users and very high concurrent call volumes in a single system.

It eliminates the need for multiple PBX systems by centralising all communications—voice, video, conferencing, and messaging—into one platform.

With built-in remote connectivity and cloud integration options, it supports hybrid and distributed workforces while maintaining full control on-premise.

  • Supports up to 3,000 users/extensions
  • Up to 450 concurrent calls
  • Built-in unified communications platform
  • Audio, video, and web conferencing
  • Instant messaging (IM) and collaboration tools
  • 8 × FXO ports (PSTN lines)
  • 8 × FXS ports (analogue devices)
  • 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 support for secure remote access
  • GDMS cloud management support
  • High-availability deployment support (with HA solutions)

Telephony Capacity

  • Up to 3,000 users/extensions
  • Up to 450 concurrent calls
  • High-capacity SIP trunk handling

Network & Interfaces

  • 3 × Gigabit Ethernet ports
  • NAT router and firewall traversal support
  • 8 × FXO ports (PSTN connectivity)
  • 8 × FXS ports (analogue devices)
  • USB and SD expansion support (model dependent)

Collaboration

  • Audio conferencing (up to ~300 participants)
  • Video conferencing support (multi-stream HD sessions)
  • Web meetings platform
  • Instant messaging and presence

Platform

  • Asterisk-based unified communications engine
  • Web-based administration interface
  • SIP endpoint and SIP trunk support
  • GDMS cloud provisioning and monitoring