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Rectangular black metal box with front panel ports and indicators

Grandstream

Grandstream UCM6304A 4 FXO 4 FXS 1000 Users No Video Conferencing

SKU CH-0VBB-VTDZY

Unifies voice, IM and audio web meetings for up to 1500 users and 200 concurrent calls with four FXO and four FXS ports

  • Supports up to 1500 users for large-scale deployments
  • Handles 200 concurrent calls ensuring reliable peak performance
  • Includes 4 FXO and 4 FXS ports for flexible analogue connectivity
  • No monthly per-seat fees reduce total cost of ownership
  • Built-in IM, audio conferencing and web meetings unify communications

What this IP PBX is

The Grandstream UCM6304A is an on-premise IP PBX that delivers voice, instant messaging, audio conferencing and web meetings without recurring per-seat fees. It suits businesses that want a unified communications platform they own and manage locally.

Deciding specification: analogue port count

The unit provides four FXO ports for PSTN trunk connections and four FXS ports for analogue handsets or fax devices, a fixed combination that determines whether the appliance matches the physical lines and endpoints already installed.

Who this suits and who should look elsewhere

Organisations needing up to 1,500 registered users and 200 concurrent calls with built-in IM, audio meetings and API integration will find the platform fits. Buyers who require native video conferencing, more than four analogue trunks or more than four analogue extensions must consider a different appliance.

How it compares

Measured against everything we stock in IP Phones & VoIP Handsets, at today’s prices. Recalculated every night.

Price $354.99
Pricier than about 82% of the 495 comparable items (median $138.99).

Specifications

Product
Brand nameGrandstream
Model nameUCM6304A

Questions about this item

What does the 1000-user capacity mean for daily call handling?

The system supports up to 1000 registered extensions and can handle 200 simultaneous calls, so a large office can run all phones and still have headroom for peak traffic.

How do the three Gigabit RJ45 ports with PoE+ limit network design?

Each port auto-negotiates up to 1 Gbps and supplies PoE+ power, letting you connect WAN, LAN and a PoE device such as an access point without extra injectors.

What physical space and mounting does the appliance need?

The unit is a compact desktop chassis with three RJ45 ports, four FXO and four FXS ports on the rear, designed to sit on a shelf or rack shelf without special brackets.

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