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

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  • 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: 2,409 This Week
    Last Update:
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  • 2
    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: 169 This Week
    Last Update:
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  • 3
    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: 147 This Week
    Last Update:
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  • 4
    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: 9 This Week
    Last Update:
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  • 5
    Rockbochs PBX

    Rockbochs PBX

    Respins of various open source PBX projects

    This project serves to provide respins of some common open source PBX projects to include additional drivers, functionality, and software not found in the original projects.
    Downloads: 11 This Week
    Last Update:
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  • 6
    Komendant ERP

    Komendant ERP

    ERP, IP PBX, Accounting, CRM, Time tracking, and etc.

    Comprehensive business management system The full-cycle automation ERP system - [ Full Freeware ] IP PBX - Complete synchronization with CRM system - Call accounting for PBX (PBX billing) - Phone call control and monitoring - Phone recording systems Accounting, Financial management - Trade management, warehouse - Management and tax accounting Corporate information system - Client relations management system (CRM) - Project, tasks, orders management - On-line conferences (forums) - Instant messenger, chat, sending SMS Staff management system [HRM] - Personnel records, documents circulation - Time and Attendance tracking system - Computer usage monitoring (time tracking) - Work time accounting (five levels) - Accrual and deduction system - Fines system (two levels) - Salary calculation Access control systems Management of access rights to the premises Video surveillance system (IP,Analog) Photofixation, Videofixation Technological process automation
    Downloads: 8 This Week
    Last Update:
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  • 7
    Asterisk Channels Live

    Asterisk Channels Live

    This is a PBX dashboard showing the peer,queue,agent at real time

    http://www.astchannelslive.com/sourceforge.php This is a dashboard work with Asterisk(FreePBX) any other installation: 1. Showing the peer status 2. queue,agent at real time 3. Hangup, Spy,....
    Downloads: 2 This Week
    Last Update:
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  • 8
    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: 3 This Week
    Last Update:
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  • 9

    vTiger Freeswitch PBX Integration NYFON

    vTiger Freeswitch PBX Integration

    vTiger Freeswitch Integration by NYFON. Allows to perform outbound (Click to Call) and incoming (wip) calls from vTiger 6.1+ interface. Modified PBXManager allows to choose between Asterisk and Freeswitch for PBX integration. Same (and extended in the future) functionality as Asterisk interface.
    Downloads: 1 This Week
    Last Update:
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  • 10
    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: 1 This Week
    Last Update:
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  • 11

    vtdialer

    predictive dialing for vTiger using asterisk

    This is a vTiger module adding predictive dialing features using the popular asterisk PBX. The module calls the leads included in active campaigns tuning the number of concurrent calls according with the number of available agents, the answer ratio and other parameters (dial time, conversation time etc.) It is included also an optional module providing statistics on the contact center behaviour
    Downloads: 1 This Week
    Last Update:
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  • 12
    A complete contact center solution for the Asterisk PBX, capable of handling inbound and outbound campaigns. Provides an agent toolbar for CTI. For managers an admin panel controls every aspect of the call center. Stunning historical and realtime stats.
    Downloads: 0 This Week
    Last Update:
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  • 13
    Astercard is a asterisk addon that will enable an asterisk PBX to accept credit card payments over the telephone.The AGI script written in PHP that will process credit card payments with the EWAY payment gateway 30 downloads and no donations *DONATE NOW*
    Downloads: 0 This Week
    Last Update:
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  • 14
    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: 0 This Week
    Last Update:
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  • 15
    Asterisk AD integration \ VQ monitoring
    The project is a preconfigured VoIP PBX VM Image based on Asterisk. But provides more advance features, such as LDAP integration, VQ monitoring via RTCP XR reports, LDAP user login, integrated billing system and telephone directory PDF generator.
    Downloads: 0 This Week
    Last Update:
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  • 16
    Asterisk PBX Integration Zimlet is an Extension for Zimbra Collaboration Suite. The Zimlet does Interface with the Asterisk Manager Interface to integrate with Asterisk PBX. The main focus is dial-on-click for Phone numbers inside Contacts and Emails.
    Downloads: 0 This Week
    Last Update:
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  • 17
    Asterpoll is an addon to asterisk that allows a asterisk admin to create a poll question or questions . this poll is a destination on the PBX. callers answers are recorded and the results are shown in a graphical environment.
    Downloads: 0 This Week
    Last Update:
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  • 18
    A C++ lib for the Asterisk PBX AGI interface.
    Downloads: 0 This Week
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  • 19
    Open Source ITSP / Hosted PBX software that sits on top of Asterisk to handle customer management, rates via LCR, cdr reports, multiple phones per customer, customer portal, among many other things.
    Downloads: 0 This Week
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  • 20
    Farfon, was the world's first designed from the ground up IAX2 phone created to work with Asterisk PBX.
    Downloads: 0 This Week
    Last Update:
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  • 21
    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: 0 This Week
    Last Update:
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  • 22
    FreeSentral is a full IP PBX consisting of a Linux Distribution, an IP PBX and a Web Graphical User Interface for easy configuration.
    Downloads: 0 This Week
    Last Update:
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  • 23

    FusionPBX Live Medium

    Project about FusionPBX on Live Medium

    If you want to quickly set up a multi-tenant PBX on matter of few minutes, this is a suitable choice. - Demo environment. You can start to add extensions, gateways and dialplans, and quickly have a fully working PBX environment. - Import previous FusionPBX backup to Live environment. After this you will have a quickly working PBX on few minutes. - Install on hard disk. With this option you can install the environment to Hard Disk. Username and password for PostgreSQL is fusionpbx / fusionpbx . Type when the wizard asks for these credentials. root password is 'password'
    Downloads: 0 This Week
    Last Update:
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  • 24
    A modularized Linux platform optimized for embedded hardware hosting various network appliance packages (i.e. Router,Voip PBX,NAS,etc..) with an easy to use web interface for customization.
    Downloads: 0 This Week
    Last Update:
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  • 25
    Connecting NMS boards to the asterisk PBX via the Woomera Protocol
    Downloads: 0 This Week
    Last Update:
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