A powerful yet easy to manage voice, video, data, and mobility communications platform has never been more achievable than when anchored with Grandstream’s series of UCM IP PBXs. The UCM series of IP PBXs offer an extensive set of unified communication features in an easy-to-manage on premise solution with no licensing fees, upgrade fees or costs per features. Our UCMs range from small and medium business deployments to small and medium enterprise solutions.


  • up to 500 SIP endpoint registrations,
  • up to 60 concurrent calls
  • up to 32 conference attendees
  • up to 50 SIP trunk accounts
  • 1GHz ARM Cortex A8 processor
  • 512 MB DDR Ram, 4GB NAND Flash
  • Integrated 2/4/8/16 PSTN trunk FXO ports, 2 analog telephone FXS ports with lifeline capability
  • Gigabit network ports with Integrates PoE, USB, SD card
  •  built-in firewall
  • Comprehensive security protection using Fail2ban, Whitelist, Blacklist, alerts and more



  • Auto Provision IP Phone
  • Automated Attendant (IVR)
  • Blacklist/Whitelist
  • Call Detail Records (CDR)
  • Call Monitor
  • Call Recording
  • Call Routing
  • Call Transfer
  • Conference
  • Fax to Email
  • Mobility Extension
  • Music on Hold
  • Queue
  • Ring Group
  • Speed Dial
  • Video Calls
  • Voicemail
  • Voicemail to Email

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