SIP Servers for Windows

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

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  • 1
    SipLine

    SipLine

    Free, native Windows SIP softphone with HD audio, SRTP encryption

    SipLine is a modern, lightweight SIP softphone for Windows 10/11 built with .NET 9 WPF. It provides enterprise-grade VoIP communication with a focus on performance, security, and extensibility. Features Ultra-Fast: Startup in <0.5s, minimal CPU usage HD Audio: Opus and G.711 codecs with adaptive jitter buffer Security: TLS transport, SDES-SRTP encryption, Windows DPAPI credential protection Multi-Account: Up to 5 simultaneous SIP accounts Plugin SDK: C# SDK for custom integrations (CRM, call recording, automation) Plugin Marketplace: Community and premium extensions Headset Support: Jabra, Poly, Sennheiser, Logitech with HID controls Call Quality: Real-time MOS Score, Jitter, Packet Loss and RTT monitoring Enterprise: Silent MSI installer, GPO support, JSON centralized config Compatibility: 3CX, Asterisk, FreePBX, OVH, Twilio, RingCentral, and more Language packages : https://sipline.feelautom.fr/languages
    Downloads: 11 This Week
    Last Update:
    See Project
  • 2
    KAMAILIO (OpenSER) - robust, secure and scalable Open Source (GPL) SIP (RFC3261) server implementation with large features set (over 90 extension modules). As of May 2009, source code is hosted by GIT repository at http://sip-router.org
    Downloads: 2 This Week
    Last Update:
    See Project
  • 3
    This is a simple Sip server with UI. GPL Licensed. Available for Windows OS for the time being. Tested with Windows XP,2003,2008,Windows 7,Vista. Support presence,registar,proxy (stateful/stateless),border controller,lawful interception,early media
    Downloads: 3 This Week
    Last Update:
    See Project
  • 4
    CafeSip - Look what Java and SIP can do

    CafeSip - Look what Java and SIP can do

    A suite of open-source tools and frameworks for creating SIP apps

    Session Initialtion Protocol (SIP) is widely used for telephone services over the Internet. CafeSip provides a suite of open-source tools and applications for creating customized SIP services and applications using the Java.
    Downloads: 1 This Week
    Last Update:
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  • 5
    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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  • 6
    Downloads: 0 This Week
    Last Update:
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  • 7
    Web interface for administrating OpenSER SIP Server.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    A SIP Server for Sanity Testing
    Downloads: 0 This Week
    Last Update:
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  • 9
    bv-tapi is a SIP TAPI bridge. It supports click to dial and screen popping. It is compatible with Freeswitch and babblevoice.com, but potentially should work with any SIP server which supports RFC 4235 (not Asterisk!). Source code now hosted at github. https://github.com/tinpotnick/bv-tapi.git
    Downloads: 0 This Week
    Last Update:
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  • 10
    Command-line perl script to view PortaSIP SIP server log files in convenient form. It also may be used for other SIP log formats after small changes.
    Downloads: 0 This Week
    Last Update:
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  • 11
    Git repo: https://github.com/asipto/siremis Web management interface for Kamailio (OpenSER) - handle subscriber profiles, access control lists, accounting, least cost routing and load balancing, monitoring charts, xmlrpc communication with SIP server
    Downloads: 0 This Week
    Last Update:
    See Project
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