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Grandstream UCM6304 IP PBX Server w/4FXO and 4FXS Ports

Grandstream UCM6304 IP PBX Server w/4FXO and 4FXS Ports

SKU 125165 New
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Item Information

Grandstream UCM6304 is an enterprise grade IP PBX appliance for business communications — with no license fees. UCM6304 enables VoIP telephony and video conferencing for up to 2000 users and 300 concurrent calls (200 when using SRTP encryption) with an integrated conference bridge for up to 200 participants in an audio conference and up to 4 rooms and 40 participants in a video conference at 1080p Full HD resolution. Perfect for a medium to large business who want to control their communications, UCM6304 supports HD video conferencing with a full suite of features — screen sharing, whiteboarding and more.


  • Enterprise-Grade Unified Communication Solution
  • IP PBXs allows businesses of all sizes to build powerful and scalable unified communication solutions in an easy-to-manage fashion with no licensing fees
  • Analog Telephone FXS Ports: 4 RJ11 Port
  • PSTN Line FXO Ports: 4 RJ11 Port
  • Users: 2000
  • Concurrent calls: 300
  • Max concurrent SRTP calls: 200
  • Video Conference: Up to 30
  • Voice Conference: Up to 120
  • Three self-adaptive Gigabit ports (switched, routed or dual card mode) with PoE+
  • 1USB 2.0, 1USB 3.0, 1SD card interface
  • 320x240 color LCD with touch screen for Shortcut Keys and Scroll Bar


  • UCM6304 Appliance
  • Ethernet Cable
  • 2x 12 V Power Adapters
  • Quick Installation Guide

Grandstream UCM6304 IP PBX Server w/4FXO and 4FXS Ports
New items ship in their original manufacturer's packaging. These items are in excellent condition with no blemishes on their housings.

UPC: 06947273703204

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Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.

If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.

  • Item(s) must be returned within 30 days from invoice date.
  • Item(s) must be received in original condition preferably in the same packing materials.
  • Item(s) should be securely packed for safe return.
  • The purchaser is responsible for all shipping costs and insurance.


  • Products usually ship within two business days after payment. If you have a rush order, or need an item delivered on Saturday please call to request faster shipping.
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  • Fixed or free shipping offer does not apply to items shipped on pallets, please call for rates on those items. Free shipping offers only apply to the continental US.
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