Sip GitHub Repositories (2026) · Open Source Tools

SIP Stack Rust library for building SIP applications

🏆 Self-hosted, open-source WebRTC video conferencing platform for real-time communication and collaboration. A modern alternative to Zoom, Google Meet, Jitsi Meet, and Microsoft Teams, powered by scalable SFU architecture with Mediasoup.

A PBX written by rust

Open-source realtime voice agent server in Go with WebRTC (WHIP), barge-in, streaming STT/LLM/TTS pipelines, plugin system, multi-language SDKs, SIP telephony, ESP32 support & fully local mode.

One binary. One YAML. Zero exposed PBX. FreeSBC is a pure-Go SBC that keeps FreeSWITCH/Asterisk off the public internet—SIP proxy, RTP/SRTP relay, WebRTC gateway, and built-in SIP security.

Modern and flexible SIP/VoIP cli tool

Linphone.org mirror for linphone-android (https://gitlab.linphone.org/BC/public/linphone-android)

RODA - Repository of Authentic Digital Objects

⚡ The future of programmable SIP servers.

A Go implementation of STUN

Linphone is a free VoIP and video softphone based on the SIP protocol. Mirror of linphone-iphone (git://git.linphone.org/linphone-iphone.git)

MikoPBX — free open-source PBX for small business, built on Asterisk 22, PHP 8.4, and Phalcon 5. Deploy as ISO, Docker, LXC, or in the cloud.

Set of tools to audit SIP based VoIP Systems

Build AI phone agents on your own computer and test every change with an AI caller. Open source, runs free with no API keys, cents per call with your own keys. Imports Dialogflow CX.

Home-Assistant SIP Gateway

Self-hosted, API-first AI call center. Realtime voice bots answer every call, human agents take over without a drop. Full REST + SSE API with OpenAPI spec to embed in your product. FreeSWITCH + OpenAI Realtime / Qwen, one Go binary.

Modern open-source multi-tenant PBX built on FreeSWITCH, Laravel and Vue. An alternative to FusionPBX, FreePBX and 3CX.

IVOZ Provider - Multitenant solution for VoIP telephony providers

HEP Capture Server for HOMER

Knock-Knock: A Live, Multi-Protocol Honeypot Dashboard of Internet Break-in Attempts - 13 Protocols, an Extensible Framework, and a Threat-Intelligence Database Serving a Public IP Blocklist Feed