A WebRTC, SIP and VoIP library for C# and .NET. Designed for real-time communications apps.

Voice chat/VoIP solution for unity.

Self-contained proximity voice chat solution for Unity with easy setup

IP Phone – lightweight SIP softphone for Windows

FreeSwitch library for DotNet

Tool to check if an IP of a DblTek GoIP is vulnerable to a challenge-response login system, send SMS messages from the system, execute remote commands botnet style, and generate responses to challenges.

Spixi is a decentralized, post-quantum secure communications super-app with messaging, calls, file sharing, a crypto wallet, and Mini Apps. Users hold their own keys, self-authenticate cryptographically, and enjoy true end-to-end encryption with no central servers.

Modern .NET Standard client for accessing the Asterisk AMI protocol using async/await and Reactive Extensions (Rx)

Linphone.org mirror for linphone-xamarin (git://git.linphone.org/linphone-xamarin.git)

Voximplant SDK for adding messaging, voice calling, video chat, and live streaming to Unity apps

A toolkit for writing Interactive Voice Response Applications. It requires an ivrToolkit.Plugin of your choice. I recommend ivrToolkit.Plugin.SipSorcery. There are also plugins for Dialogic SIP and Analog but those require a Dialogic driver.

VoIP Realtime routing engine for Yate with billing, Cost-based/QoS-based routing, and load-balancing support.

Unity integration plugin to add 4Players ODIN technology into your game

Sample project for ODIN plugin usage in Unreal Engine 4/5

VOIP features for Nuclear Option

Talknado is a lightweight combined client–server application for real‑time voice chat and screen sharing. All control and media packets are encrypted. Signaling uses TCP while low‑latency audio and screen streams use LiteNetLib (UDP). H.264 encode/decode is handled via FFmpeg.AutoGen, audio via NAudio with RRNoise noise suppression.

Ordinary solution for Asterisk/FreePBX resilient branch site telephony system

An intelligent SIP phone system built with .NET 8, featuring AI integration and web-based call management with real-time monitoring. Supports voice recognition, call recording, and hangup detection.

MAUI SIP VoIP Client application for Windows/Android/iOS.

Extract VoIP calls from large and numerous pcap files. This repository is only a mirror.