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

  • Paessler: Easy to Use With Enterprise Power. Free Trial Icon
    Paessler: Easy to Use With Enterprise Power. Free Trial

    A low-code dashboard makes monitoring intuitive for any admin, while scripting and custom sensors give experts full control.

    You shouldn't have to choose between a monitoring tool that's easy to use and one that's powerful enough for a complex environment. PRTG's low-code interface lets any admin build dashboards, set alerts and monitor devices without scripting, while custom sensors and full API access are there when your team needs deeper control. One platform, no compromise. Download a free 30-day trial now.
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    99.99% Uptime for MySQL and PostgreSQL Databases

    Sub-second maintenance. 2x read/write performance. Built-in vector search for AI apps.

    Cloud SQL Enterprise Plus delivers near-zero downtime with 35 days of point-in-time recovery. Supports MySQL, PostgreSQL, and SQL Server.
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  • 1
    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.
    5.0 out of 5 stars 4 Reviews
    Downloads: 8 This Week
    Last Update:
    See Project
  • 2
    wxCommunicator is a cross platform SIP softphone written in C++ utilizing customized sipXtapi user agent library and wxWidgets 2.8.9 GUI library. For a list of supported features see http://wxcommunicator.sourceforge.net/features.html .
    5.0 out of 5 stars 2 Reviews
    Downloads: 3 This Week
    Last Update:
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  • 3
    A command line SIP/H323 softphone capable of sending and receiving audio files as well as sending out of band DTMF digits. Supports a BNF format configuration language for scripting call scenarios. Useful for example system testing.
    5.0 out of 5 stars 1 Review
    Downloads: 4 This Week
    Last Update:
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  • 4
    The G.O.N.E. is a softphone (or soft phone) running over the web, fully multi-plataform, it implements the SIP protocol, and is built to work on any SIP server, like Asterisk, and others. GONE will work on a complex sistem, but this will be showed a bit
    Downloads: 0 This Week
    Last Update:
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  • Go from Code to Production URL in Seconds Icon
    Go from Code to Production URL in Seconds

    Cloud Run deploys apps in any language instantly. Scales to zero. Pay only when code runs.

    Skip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
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  • 5
    The OpenSIPStack Library is an implementation of the Session Initiation Protocol as described in RFC 3261. Applications: * OpenSBC (B2BUA) * OSSPhone (Softphone) Source code is available at http://www.opensipstack.org.
    5.0 out of 5 stars 1 Review
    Downloads: 0 This Week
    Last Update:
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  • 6
    Taki

    Taki

    SIP softphone

    Cross-platform SIP softphone
    Downloads: 0 This Week
    Last Update:
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  • 7
    Telephonik is a multi-protocol Internet telephony application (i.e. VoIP softphone) for the K Desktop Environment.
    Downloads: 0 This Week
    Last Update:
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  • 8
    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: 0 This Week
    Last Update:
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