PBX Software for Linux

View 48 business solutions
PBX Linux Clear Filters

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.

  • Fully Managed MySQL, PostgreSQL, and SQL Server Icon
    Fully Managed MySQL, PostgreSQL, and SQL Server

    Automatic backups, patching, replication, and failover. Focus on your app, not your database.

    Cloud SQL handles your database ops end to end, so you can focus on your app.
    Start Free
  • Custom VMs From 1 to 96 vCPUs With 99.95% Uptime Icon
    Custom VMs From 1 to 96 vCPUs With 99.95% Uptime

    General-purpose, compute-optimized, or GPU/TPU-accelerated. Built to your exact specs.

    Live migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
    Start Free
  • 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
    Leader badge
    Downloads: 3,147 This Week
    Last Update:
    See Project
  • 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.
    Downloads: 138 This Week
    Last Update:
    See Project
  • 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)
    Leader badge
    Downloads: 93 This Week
    Last Update:
    See Project
  • 4
    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.
    Downloads: 59 This Week
    Last Update:
    See Project
  • Build Securely on Azure with Proven Frameworks Icon
    Build Securely on Azure with Proven Frameworks

    Lay a foundation for success with Tested Reference Architectures developed by Fortinet’s experts. Learn more in this white paper.

    Moving to the cloud brings new challenges. How can you manage a larger attack surface while ensuring great network performance? Turn to Fortinet’s Tested Reference Architectures, blueprints for designing and securing cloud environments built by cybersecurity experts. Learn more and explore use cases in this white paper.
    Download Now
  • 5
    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: 44 This Week
    Last Update:
    See Project
  • 6
    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: 5 This Week
    Last Update:
    See Project
  • 7
    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: 23 This Week
    Last Update:
    See Project
  • 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: 14 This Week
    Last Update:
    See Project
  • 9
    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: 17 This Week
    Last Update:
    See Project
  • Cut Data Warehouse Costs by 54% Icon
    Cut Data Warehouse Costs by 54%

    Easily migrate from Snowflake, Redshift, or Databricks with free tools.

    BigQuery delivers 54% lower TCO with exabyte scale and flexible pricing. Free migration tools handle the SQL translation automatically.
    Start Free
  • 10
    PHPAGI is a PHP Class for writing AGI applications for use with the open source Asterisk PBX software.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 11

    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: 4 This Week
    Last Update:
    See Project
  • 12
    DialogPalette is a visual, integrated design environment for the creation of telephony applications running on the Asterisk Open Source PBX.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 13
    SwitchedON PBX
    Modular Debian based PBX distribution. Originally started by Federico Pereira, as DebPBX, but then joined some ex-Elastix guys.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 14
    CSTA Inside

    CSTA Inside

    Open source CSTA library

    Aim of this project is to provide a library for C/C++ developers to use ECMA-269/ECMA-323 CSTAIII XML protocol. It will also include: CSTA interface for FreeSWITCH and example client application. (extending the PBX and protocol support is in progress). Check wiki for details.
    Downloads: 6 This Week
    Last Update:
    See Project
  • 15
    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: 3 This Week
    Last Update:
    See Project
  • 16
    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: 3 This Week
    Last Update:
    See Project
  • 17
    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: 3 This Week
    Last Update:
    See Project
  • 18
    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: 2 This Week
    Last Update:
    See Project
  • 19
    A lightweight cross platform IP telephony client using the IAX protocol, designed for use with the asterisk open source PBX.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 20
    Vodia PBX

    Vodia PBX

    A Better PBX For Your Business

    Vodia PBX has included a complete suite of business telephony features for on-premise and cloud-based telephony deployments. Sign up at https://vodia.com/en/register and receive your free Vodia license.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 21
    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:
    See Project
  • 22
    The Asterisk-Java package consists of a set of Java classes that allow you to easily build Java applications that interact with an Asterisk PBX Server. It supports the FastAGI protocol and the Manager API.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    A set of JNI classes providing direct access to Asterisk PBX functionality from Java. This is not a socket-level interface into the Asterisk manager app but a true Java<->Asterisk integration at the Thread level.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    FATS - FATS is a Twisted and Fast Asterisk's Telephony Services. Project contains implementation of FastAGI, AMI protocols for the Twisted framework. Using it you can develop fast and pretty services for the Asterisk IP-PBX.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    FreeSentral is a full IP PBX consisting of a Linux Distribution, an IP PBX and a Web Graphical User Interface for easy configuration.
    Downloads: 1 This Week
    Last Update:
    See Project