🚀 The open-source alternative to Twilio.

FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to a versatile software implementation that runs on any commodity hardware. From a Raspberry PI to a multi-core server, FreeSWITCH can unlock the telecommunications potential of any device.

Kamailio - The Open Source SIP Server for large VoIP and real-time communication platforms -

📱 [Android Library] Get device information in a super easy way.

Baresip is a modular SIP User-Agent with audio and video support

Twilio C#/.NET Helper Library for .NET6+.

E2E test framework for tests with complex environment requirements.

A Java library for communicating with the Twilio REST API and generating TwiML.

End-to-end platform for building voice first multimodal agents

Main repository! MikoPBX - is free, easy to setup PBX for small business based on Asterisk 16 core

An open source Session Border Controller 🌟 The SBC you dream about 🗽 LibreSBC will help you save thousands of dollars.

📡 A curated list of awesome Real Time Communications resources

Add Vonage functionality such as SMS and voice calling to your Laravel app with this Laravel Service Provider.

Modern and flexible SIP/VoIP cli tool

A Fork from http://git.freeswitch.org/git/freeswitch-contrib/tree/dvarnes/java/esl-client

IVOZ Provider - Multitenant solution for VoIP telephony providers

asyncio powered FreeSWITCH cluster control

RTP Tools

The telephone, a supernatural instrument before whose miracles we used to stand amazed, and which we now employ without giving it a thought, to summon our tailor or order an ice cream. --M.Proust

Flutter plugin for telephony features like query device sms directory, listen for incoming messages, retrieve various network parameters, etc.