Top OpenSIPS Alternatives: Enhancing Your VoIP Infrastructure

OpenSIPS (Open SIP Server) is renowned as a mature, open-source SIP server, offering a robust and scalable solution for voice, video, IM, and presence services. Its high performance and flexible routing engine make it a go-to for enterprise and carrier-grade VoIP solutions. However, the world of communication infrastructure is vast, and specific project requirements or preferences might lead you to explore an OpenSIPS alternative. Whether you're seeking different feature sets, easier management, or a broader community, numerous excellent options are available.

Top OpenSIPS Alternatives

Finding the right SIP server or communication platform can significantly impact the efficiency and scalability of your VoIP solution. Here's a curated list of top alternatives that offer distinct advantages and functionalities compared to OpenSIPS.

Asterisk

Asterisk

Asterisk is a free and open-source software that transforms a computer into a communication server, allowing users to build PBX, VoIP gateways, IVR, and ACD applications. As a low-level, highly customizable solution with SIP and voice chat capabilities, Asterisk is an excellent OpenSIPS alternative for those who need granular control and flexibility across Mac, Windows, and Linux platforms.

FreePBX

FreePBX

FreePBX is a web-based, open-source GUI that simplifies the control and management of Asterisk PBX. For those who find OpenSIPS's command-line interface daunting, FreePBX offers an intuitive visual approach to managing SIP and voice call functionalities on Linux, making it a more user-friendly OpenSIPS alternative.

Wazo

Wazo

Wazo is a unified communications platform built on Asterisk, with a strong focus on extensibility. It's a free, open-source, and self-hosted solution available on Mac, Windows, and Linux. With features like SIP and web-based management, and the ability to extend functionality via plugins, Wazo is a compelling OpenSIPS alternative for those prioritizing adaptability and a comprehensive UC experience.

FreeSWITCH

FreeSWITCH

FreeSWITCH is a scalable, open-source, cross-platform telephony platform designed to route and interconnect various communication protocols. Supporting audio, video, and text, and featuring voice chat, it's a versatile OpenSIPS alternative for users on Mac, Windows, Linux, and BSD who need a powerful and flexible media gateway or softswitch.

3CX Phone System

3CX Phone System

3CX is a software-based, open-standards IP PBX offering complete Unified Communications out-of-the-box. Available on Windows, Linux, Mac, Web, Android, and iPhone, with integrations for Chrome, Firefox, and Microsoft Office Suite, 3CX provides SIP and voice chat functionalities. It's a Freemium OpenSIPS alternative ideal for businesses seeking a comprehensive UC solution with a more structured commercial support model.

Kamailio

Kamailio

Kamailio® (successor of OpenSER and SER) is another highly performant open-source SIP server, released under GPL. Like OpenSIPS, it excels at handling thousands of call setups per second and focuses on core SIP routing and proxying. Kamailio, available on Linux, is a direct and powerful OpenSIPS alternative for those requiring a pure SIP server with similar high-throughput capabilities.

Elastix

Elastix

Elastix is an open-source Unified Communications Server software that integrates IP PBX, email, IM, faxing, and collaboration features through a web interface. While Freemium and primarily for Linux, its comprehensive suite of features, including voice chat, makes it an attractive OpenSIPS alternative for businesses looking for an all-in-one UC platform.

Yate - Yet Another Telephony Engine

Yate - Yet Another Telephony Engine

Yate is a softswitch designed to separate network hardware from software, supporting various VoIP protocols like H.323, SIP, IAX1, IAX2, and RTP. This free, open-source Linux-based platform with SIP and voice chat features is an excellent OpenSIPS alternative for those focused on flexible protocol support and a strong softswitch architecture.

unxsVZ uSIPSwitch

unxsVZ uSIPSwitch

uSipSwitch is a micro SIP switch (SIP proxy) ideal for edge SIP SBC work, such as hosted PBX businesses. It's a free and open-source Linux solution, featuring a web console and DNS health tools. For those needing a specialized, modern, and clustering-focused SIP solution, uSIPSwitch offers a unique and efficient OpenSIPS alternative for specific edge use cases.

sipXcom

sipXcom

sipXcom provides a complete enterprise-grade telephony solution, including unified messaging, instant messaging, audio conferencing, and more. This free, open-source Linux platform offers comprehensive features like SIP, chat, and conference bridging. sipXcom stands as a strong OpenSIPS alternative for organizations requiring a fully integrated and feature-rich enterprise communication system.

Each of these OpenSIPS alternatives brings its own strengths to the table, from comprehensive unified communications to highly specialized SIP proxying. Your choice will depend on your specific project requirements, existing infrastructure, and desired level of management. We encourage you to explore these options further to find the best fit for your VoIP and communication needs.

Isabella Walker

Isabella Walker

Focuses on mobile apps, design tools, and how software improves digital workflows.