Welcome to NexusUC Docs

Official Documentation for the NexusUC Unified Communications Platform

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NexusUC

Unify your communications with NexusUC — the next-generation multi-tenant PBX.

NexusUC is a powerful feature-rich PBX platform designed for modern businesses, telecom providers, and hosted service environments. Built with scalability, flexibility, and security at its core, NexusUC delivers a full-featured multi-tenant system supporting unlimited extensions, voicemail-to-email, music on hold, call parking, and seamless analog and legacy PBX integration.

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Where do you want to start?

• Getting Started

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  Install NexusUC from ISO, verify your service code, and log in to the admin portal for the first time.

  Installation Guide

• Configure Your PBX

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  Set up extensions, devices, ring groups, call queues, IVR menus, voicemail, and more.

  Configuration Guide

• Troubleshooting

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  Fix common issues like no audio, one-way audio, registration failures, and call quality problems.

  Troubleshooting Guide

• Common Setups

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  Ready-made configuration recipes for small offices, call centres, and multi-site businesses.

  Setup Examples

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I want to...

• Create extensions & assign devices

  Extensions · Devices

• Route inbound calls

  Destinations & Call Flows

• Set up a team ring group or call queue

  Ring Groups · Call Queues

• Configure voicemail & IVR menus

  Voicemail · IVR Menus

• Set up Ringotel softphone

  Ringotel Setup

• View call records & recordings

  CDR & Recordings

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Key Features

NexusUC includes a comprehensive suite of enterprise-grade features:

Call Management	Administration
Call Center Queues	Time Conditions with automated holidays
Ring Groups & Conferences	Call Flows & Manual Diversion Switches
IVR Menus & Recordings	Call Block (Inbound & Outbound)
Follow Me & Hot Desking	Comprehensive Call Detail Records
Music on Hold streaming	Call Recording & Playback

Devices & Integration	Security & Platform
Zero-touch provisioning (Yealink, etc.)	Advanced Intrusion Prevention System (IPS)
QR code provisioning for softphones	Event-driven firewall
Ringotel softphone support	Multi-tenant architecture
Fax Server with fax-to-email	Runs on x86_64, VPS, or VMs
Contacts import & phonebook	Compatible with AWS, Vultr, Linode, and more

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System Requirements

NexusUC runs efficiently even on modest hardware. See the full System Requirements page for details.

Deployment	Domains	Min CPU	Min RAM
Bare PC (On-Premise)	Up to 20	Intel 4th Gen, 2 cores	2 GB
VPS / VM	Up to 10	1 GHz vCPU (x86_64)	2 GB

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• Need help?

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  If you can't find what you need in the docs, contact Localcom support through the Partner Portal.

  When contacting support, please include:

  • Your PBX domain name
  • The extension number affected
  • Time of the issue
  • A brief description of the problem