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
    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: 133 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)
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    Downloads: 106 This Week
    Last Update:
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  • 3
    ICTFax

    ICTFax

    Open source Fax server software for inbound / outbound internet Faxing

    Note: for binaries and installation instruction please visit official website. http://ictfax.org/ ICTFax is Open Source Fax Server software to send and receive Fax over Internet & Emails developed over Freeswitch, ICTCore and Angular Framework , It works with T.38 and G.711 pass through and feature email to fax, fax to email, web to fax, fax to web and also support fax machines to send and recieve Fax using ATA. Installation Guide https://www.ictfax.org/ictfax-installation-guide/ Administration Guide https://www.ictfax.org/ictfax-admin-guide/ User Guide https://www.ictfax.org/ictfax-user-guide/ Commercial Support If you do not posses Linux / VoIP expertise to install and setup ICTFax or you are busy, We can help you in installation, configuration and testing to make sure ICTFax setup is functional and tested. Below are Installation package link for custom projects and development work. Please Installation support services.
    Downloads: 6 This Week
    Last Update:
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  • 4
    ictdialer

    ictdialer

    SMS, Fax, Voice Broadcasting and auto dialer Software

    ICTDialer is an open-source, multi-user auto dialer software designed for voice broadcasting and fax broadcasting. It supports both inbound and outbound communications using advanced telephony protocols such as T.38, G.711 pass-through, and SIP-based VoIP communication. ICTDialer is built on top of renowned open-source technologies, including FreeSWITCH, ICTCore communications framework, and a PHP-based Angular framework. ICTDialer can be used in following faxing scenarios Voice Broadcasting Email to fax / web to fax / fax to email ATA support supporting both sending and recieving Fax over Fax machines using ATA. G.711 based Fax Origination / Termination / Gateway T.38 based Fax Origination / Termination PSTN/SS7 based Fax Origination / Termination A Single GUI is created to cover all the major communication methods and services like: Voice Broadcasting Campaigns Send Document with multiple files (optional) Fax to Email Extension Support DIDs
    Downloads: 3 This Week
    Last Update:
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  • 5
    Use this when attachments aren't offered with your email service. (i.e. Proxy Mail). Simply Supply a link to download the 11KB Audio Player and Copy/Paste your Message into the Email. See Website For Demo. http://audiotext.sourceforge.net
    Downloads: 0 This Week
    Last Update:
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  • 6
    Global mesh development software and hardware platform from developing global wireless mesh network using multiple frequencies.
    Downloads: 0 This Week
    Last Update:
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  • 7
    Present
    Present is an attendance dialer for educational organizations. It currently will integrate directly into Powerschool SIS, with the potential to connect to other SIS systems as well. It can be used to make automated attendance and tardy calls
    Downloads: 0 This Week
    Last Update:
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  • 8
    Software designed to rapidly contact many individuals through Phone (Asterisk), SMS, Email and a VHF Paging system. The designed application is for emergency response agencies requiring an inexpensive way to manage their membership and deployment.
    Downloads: 0 This Week
    Last Update:
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  • 9
    This is a daemon that runs side by side with asterisk. And translates Emails with an XML body into an Asterisk Call with all variables passed from XML as well. Has functionality like an autodialer
    Downloads: 0 This Week
    Last Update:
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