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Rectangular desktop or rack-mount unit with front panel ports and indicator lights

Grandstream

Grandstream UCM6308A Audio IP PBX 8 FXO 8 FXS

SKU CH-R0EZ-1R5JY

Supports 3000 users and 450 concurrent calls with 8 FXO and 8 FXS ports for analog connectivity

  • Dimensions25.0 in x 30.0 in x 8.0 in
  • Weight3.435 kilograms
  • Supports up to 3000 users for large-scale deployments
  • Handles up to 450 concurrent calls for high-traffic environments
  • Zero-configuration provisioning simplifies Grandstream SIP endpoint setup
  • Built-in conferencing platform works with desktop, Wave app and SIP endpoints
  • Three Gigabit RJ45 ports with integrated PoE+ for flexible connectivity

Unified Communications Platform

The Grandstream UCM6308A is a unified communications appliance that consolidates voice, video, conferencing and surveillance onto one network. It supports up to 3000 users and 450 concurrent calls for mid-sized organisations. Zero-configuration provisioning works with Grandstream SIP endpoints. The Wave application extends connectivity to Android, iOS, Chrome and Firefox browsers.

Analogue Connectivity Capacity

Eight FXO ports connect the system to traditional PSTN lines while eight FXS ports attach analogue handsets or fax devices. This density handles branch-office trunking and legacy device migration without external gateways. The platform runs out of analogue ports when more than eight lines or extensions are required. API hooks allow CRM and PMS integration for call-data workflows.

Thermal And Power Profile

The desktop or rack-mount chassis measures 9.84 by 11.81 by 3.15 inches and weighs 7.56 pounds. Three Gigabit RJ45 ports include integrated PoE+ to power compatible endpoints directly. Secure boot, unique certificates and random default passwords harden the attack surface. Automated NAT traversal simplifies secure remote links without manual firewall rules.

Highlights

  • Supports up to 3000 users for large-scale deployments
  • Handles up to 450 concurrent calls for high-traffic environments
  • Zero-configuration provisioning simplifies Grandstream SIP endpoint setup
  • Built-in conferencing platform works with desktop, Wave app and SIP endpoints
  • Three Gigabit RJ45 ports with integrated PoE+ for flexible connectivity

Specifications

BrandGrandstream
ModelGrandstream UCM6308A
Part NumberGrandstream UCM6308A
Dimensions25.0 in x 30.0 in x 8.0 in
Weight3.435 kilograms

Questions about this item

Will the UCM6308A connect to my existing analogue phones and PSTN lines using its 8 FXS and 8 FXO ports?

Yes, the 8 FXS ports attach analogue handsets or fax machines, while the 8 FXO ports link to PSTN trunks, letting you keep current devices and lines.

How can I verify the UCM6308A is operating correctly after installation?

Log into the web UI to confirm registration of up to 3000 users, check that 450 concurrent calls are supported, and test a call through the built-in conferencing platform.

What ships with the UCM6308A and what must I source separately?

The appliance includes the IP PBX unit with three Gigabit RJ45 ports and integrated PoE+; analogue phones, PSTN cables, rack brackets and SIP endpoints are not included.

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