WebRTC plugin for Flutter Mobile/Desktop/Web

Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.

智能电话外呼系统 呼叫中心系统 freeswitch webrtc

A PJSIP module for React Native.

The Open Source Cloud Communications Platform

Android Mobile SDK to easily integrate communication features (WebRTC, messaging, presence, voice, video, screensharing) based on RestComm into native Mobile Applications

gb28181-proxy 基于sip实现GB28181的通信框架，区分client和server。以便于快速构建发起SIP请求和处理响应。支持NAT穿透，支持海康、大华、宇视等品牌的IPC、NVR、DVR接入及联平台。项目不仅限于gb28181协议。也可以利用封装的SIP方法处理其他协议。

Simlar for android

RODA - Repository of Authentic Digital Objects

Project of Multi-protocol Test Tool opensourced by Ericsson

mjSIP - a complete Java-based SIP stack implementation

SIP module for React Native

监控设备管理平台，支持GB28181国标设备接入、支持海康、大华等品牌监控设备接入

SipApp is a simple application to demonstrate how to create voice call android application based on sip server

SIP-Client for a VoIP Door-Intercomstation

SIP servlets for Voice over IP and cloud telephony application and B2BUA / proxy SIP servers

PJSIP for Android. Library available on JCenter.

PJSIP PJSUA2 api library for Android

A simple sip talk demo based on pjsip!

VoIP software Demo, using Tg2SIP, FreeSwitch, PostgreSQL and Quarkus. Deployment using Ansible.