PBX Software for Linux

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Browse free open source PBX software and projects for Linux below. Use the toggles on the left to filter open source PBX software by OS, license, language, programming language, and project status.

  • MicroStation by Bentley Systems is the trusted computer-aided design (CAD) software built specifically for infrastructure design. Icon
    MicroStation by Bentley Systems is the trusted computer-aided design (CAD) software built specifically for infrastructure design.

    Microstation enables architects, engineers, and designers to create precise 2D and 3D drawings that bring complex projects to life.

    MicroStation is the only computer-aided design software for infrastructure design, helping architects and engineers like you bring their vision to life, present their designs to their clients, and deliver their projects to the community.
    Learn More
  • The Most Powerful Software Platform for EHSQ and ESG Management Icon
    The Most Powerful Software Platform for EHSQ and ESG Management

    Addresses the needs of small businesses and large global organizations with thousands of users in multiple locations.

    Choose from a complete set of software solutions across EHSQ that address all aspects of top performing Environmental, Health and Safety, and Quality management programs.
    Learn More
  • 1
    IssabelPBX

    IssabelPBX

    Issabel PBX - Unified Communications

    Open Source and Unified Communications partners created a new platform based on an Elastix® fork (currently purchased by 3CX) to provide the community with continuity, peace of mind and support needed to continue with their PBX and operation developments. Contribute to the funding of Issabel on https://www.patreon.com/issabel
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    Downloads: 3,192 This Week
    Last Update:
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  • 2
    Elastix

    Elastix

    Unified Communications Server

    Elastix is a software-based PBX powered by 3CX and based on Debian. An open-standards solution, Elastix is an easy to install and manage UC system compatible with popular IP phones, gateways and SIP trunks. Elastix is complete with unified communications features such as integrated WebRTC video conferencing, chat, presence and softphones and smartphone clients for Windows, Mac, iOS and Android.
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    Downloads: 152 This Week
    Last Update:
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  • 3
    trixbox CE is an easy to install, VOIP phone system based on the Asterisk PBX. trixbox is designed for home or office use. trixbox CE includes CentOS linux, mysql, and all the tools needed to run a business quality phone system. (formerly asterisk@home)
    Downloads: 134 This Week
    Last Update:
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  • 4
    Asterisk GUI client, VICIdial

    Asterisk GUI client, VICIdial

    VICIdial Contact Center Suite

    This software suite is designed to extend the functionality of the Asterisk PBX through platform-independant web-client applications. Includes the VICIdial inbound/outbound contact center application. The suite is scalable across multiple Asterisk servers.
    Downloads: 71 This Week
    Last Update:
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  • Simplify Purchasing For Your Business Icon
    Simplify Purchasing For Your Business

    Manage what you buy and how you buy it with Order.co, so you have control over your time and money spent.

    Simplify every aspect of buying for your business in Order.co. From sourcing products to scaling purchasing across locations to automating your AP and approvals workstreams, Order.co is the platform of choice for growing businesses.
    Learn More
  • 5
    FusionPBX

    FusionPBX

    A domain based multi-tenant PBX & voice switch for FreeSWITCH

    FusionPBX is a multi-tenant PBX and voice switch for FreeSWITCH, a highly scalable, multi-threaded, cross-platform communication platform. FusionPBX can be used either as a single or domain based PBX, and offers several functionalities: as carrier grade switch, call center server, voicemail server, fax server, conference server, VoIP server, multi-tenant appliance framework and so much more. It also offers unlimited extensions, device provisioning, music on hold, call parking, automatic call distribution and many other superb features. Give your company the business functionality and corporate level phone system it needs with FusionPBX!
    Downloads: 12 This Week
    Last Update:
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  • 6
    PBXinaFlash 3/ IncrediblePBX
    Longing for the good old days of Asterisk@Home? Welcome back to the steroid-enhanced version. PBX in a Flash 3.0 & Incredible PBX 2020/2021/2022/2027 are the latest Lean, Mean Asterisk Machines, high-performance, turnkey Asterisk PBXs that are easy to upgrade. Features include Rocky8, CentOS/SL 7.x, Ubuntu 22.04 & 20.04, Debian 10 and Raspbian 10 support with Asterisk 20/18/16 and FreePBX 16/15 GPL modules. Add-ons include one-click installs of Incredible Fax and many other Asterisk utilities. Visit Nerd Vittles for the latest tutorials.
    Downloads: 58 This Week
    Last Update:
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  • 7
    IAXmodem is a software modem written in C that uses an IAX channel (commonly provided by an Asterisk PBX system) instead of a traditional phone line and uses a DSP library instead of DSP hardware chipsets.
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    Downloads: 53 This Week
    Last Update:
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  • 8
    YetiForce CRM

    YetiForce CRM

    The most affordable CRM system according to Capterra

    Are you looking for a system to boost your sales? Do you want to improve your relationships with customers? Do you want to contribute to the fastest growing open source project on GitHub? You can use YetiForce completely free of charge. With YetiForce’s help you will manage 12 business processes in your company, no matter the size. The vast number of features available for free helped us win the first place in Capterra’s “Most Affordable CRM Software” ranking. YetiForce’s open source code was released under a very flexible and liberal license, which gathers a large and active community around the project. You too can contribute to it no matter if you are a professional programmer or software development is just your hobby. Download YetiForce for free and find out why you should become one of more than 250 000 people who already use it. Testing versions: GitStable: https://gitstable.yetiforce.com/ GitDeveloper: https://gitdeveloper.yetiforce.com/
    Downloads: 22 This Week
    Last Update:
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  • 9

    oreka

    Enterprise telephony recording and retrieval system

    Enterprise telephony recording and retrieval system with web based user interface. The project currently supports recording voice from VoIP SIP, Cisco Skinny (aka SCCP), raw RTP and audio sound device and runs on multiple operating systems and database systems. It can record audio from most PBX and telephony systems such as BroadWorks, Metaswitch, Asterisk, FreeSwitch, OpenSIPS, Avaya, Nortel, Mitel, Siemens, Cisco Call Manager, Cosmocom, NEC, etc... It is amongst others being used in Call Centers and Contact Centers for Quality monitoring (QM) purposes.
    Downloads: 16 This Week
    Last Update:
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  • Award-Winning Medical Office Software Designed for Your Specialty Icon
    Award-Winning Medical Office Software Designed for Your Specialty

    Succeed and scale your practice with cloud-based, data-backed, AI-powered healthcare software.

    RXNT is an ambulatory healthcare technology pioneer that empowers medical practices and healthcare organizations to succeed and scale through innovative, data-backed, AI-powered software.
    Learn More
  • 10
    Kiax is a softphone (soft phone, VoIP client) with a simple and comfortable user interface for making VoIP calls to Asterisk PBX. It depends on the iaxclient library to use Asterisk's IAX2 protocol for easy call configuration and audio setup.
    Downloads: 16 This Week
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  • 11
    PLEASE NOTE that all current AstLinux development is on GitHub: https://github.com/astlinux-project/astlinux Thanks to SourceForge for providing free hosting to the AstLinux Project for more than 10 years! Old source archive remains on SourceForge. AstLinux is a custom Linux distro centered around Asterisk, the Open Source PBX. AstLinux has many features that make it ideal for embedded and commercial Asterisk based solutions.
    Downloads: 13 This Week
    Last Update:
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  • 12
    Activa brings the Asterisk IP PBX to the call center. Built on top of Asterisk, Activa components enable successful call center implementations adding value in areas such as computer telephony, screenpop&click2dial, agent control, automatic dialing...
    Downloads: 7 This Week
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  • 13
    PHPAGI is a PHP Class for writing AGI applications for use with the open source Asterisk PBX software.
    Downloads: 5 This Week
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  • 14
    SNEP
    SNEP is an graphical user interface to manage Asterisk PBX. It provides high level control over routing and users administration making the PBX administration easier to non-technical users. Access our Chat community at Slack: http://snep.slack.com
    Downloads: 4 This Week
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  • 15
    CarrierClass.net is the Free Software, large-scale, highly-available communications system for the enterprise, higher-education, non-profit, and governmental entities.
    Downloads: 11 This Week
    Last Update:
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  • 16
    jpbxlite

    jpbxlite

    Java VoIP/SIP PBX system (replaced by jfPBX)

    jPBXLite is a VoIP/SIP PBX. Supports SIP extensions, voicemail, trunks, conferences, queues (ACD) and an IVR system. Support video conferencing with jPhoneLite/1.4.0. NOTE:THIS PROJECT WAS RENAMED AND IS NOW jfPBX. Please go to jfpbx.sourceforge.net
    Downloads: 9 This Week
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  • 17
    VoiceOne gives you the ability to install and compleatly configure a pbx platform based on Asterisk 1.8 with an easy to use web GUI, which would be a framework to build a communication server adding various plugins.
    Downloads: 8 This Week
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  • 18
    LPBX Analizador Trafico Telefonico

    LPBX Analizador Trafico Telefonico

    Informacion sobre llamadas desde pbx desde puerto serial

    Aplicación que permite conocer las llamadas realizadas desde todas las extensiones de una PBX a través de su puerto serial. Actualmente diseñado y orientado a tres modelos de centrales: Panasonic KXTA-308, Panasonic TDA100/200 y Nitsuko TX Serie.
    Downloads: 4 This Week
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  • 19
    ProF700 pbx phone list manager

    ProF700 pbx phone list manager

    Proximus Forum 700 pbx dial number management

    Very small database application for the Linux desktop to manage your telephone contacts and make an export in csv format for upload into your proximus Forum pbx (branded like that in BE, probably Alcatel-Lucent, OmniPCX ?). The Proximus Forum 700 seems to run on Linux on the inside. But any access for the user/manager exists only as a Windows application. So at least Linux users get this nice tool to manage the records to upload to the pbx. Import module to import from mysql/mariadb database tables of customers, contacts, addresses, suppliers. To adapt to your own needs; created in Gambas3 (free Linux visual basic-like IDE)
    Downloads: 4 This Week
    Last Update:
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  • 20
    A lightweight cross platform IP telephony client using the IAX protocol, designed for use with the asterisk open source PBX.
    Downloads: 2 This Week
    Last Update:
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  • 21
    ST-PBX Live is a GNU/Debian Linux distribution integrating Asterisk, freePBX and other tools to try from CD or install in HD a complete VoIP system.
    Downloads: 3 This Week
    Last Update:
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  • 22
    The Asterisk .NET library consists of a set of C# classes that allow you to easily build applications that interact with an Asterisk PBX Server (1.0/1.2/1.4 version). Both FastAGI and Manager API supported. .NET/Mono compatible.
    Downloads: 1 This Week
    Last Update:
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  • 23
    SwitchedON PBX
    Modular Debian based PBX distribution. Originally started by Federico Pereira, as DebPBX, but then joined some ex-Elastix guys.
    Downloads: 1 This Week
    Last Update:
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  • 24
    The ATSlog software provides a handy web-oriented interface for collecting, viewing and analysing calls for various types of PBX (Private Branch eXchange) models.
    Downloads: 2 This Week
    Last Update:
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  • 25
    Web based Asterisk Open Source PBX management suite that adds a lot of features such as night service toggle, operator, music on hold management... Currently only in Brazilian portuguese.
    Downloads: 2 This Week
    Last Update:
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