12 projects
FreeSWITCH
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.
2,033
220
$51M
Kamailio
Kamailio is an open source SIP server and SIP proxy server implementation, capable of handling thousands of call setups per second. It can be used to build large platforms for VoIP and realtime communications, including WebRTC, instant messaging, and presence services.
1,697
191
$46M
Open5GS
Open5GS is an open-source implementation of 5G Core and EPC (Evolved Packet Core) that enables building and operating mobile network infrastructure. It provides a complete software-based mobile core network solution supporting 5G SA (Standalone), 5G NSA (Non-standalone), and 4G LTE networks.
1,553
137
$64M
PJSIP
PJSIP project
986
98
$32M
rtpengine
The Sipwise media proxy for Kamailio
939
107
$5.9M
Asterisk
Asterisk is an open source framework for building communications applications, including VoIP gateways, PBX systems, conference servers and other custom telephony solutions. It enables developers to create voice, video and messaging applications by providing a robust toolkit for handling various communication protocols and media types.
876
101
$32M
Baresip
Baresip is a modular SIP User-Agent with audio and video support
753
102
$2.3M
FusionPBX
Official FusionPBX - A full-featured domain based multi-tenant PBX and voice switch for FreeSwitch.
559
34
$39M
Kazoo
Kazoo is an open-source cloud telecom platform that provides scalable, distributed and fault-tolerant voice, video, and unified communications services. It enables the creation and management of cloud-hosted PBX and telecom solutions with features like call routing, voicemail, conferencing, and automated call distribution.
381
29
$21M
FreePBX
This module provides a facility to install bug fixes to the framework code that is not otherwise housed in a module
221
24
$46M
Linphone for Android
Linphone.org mirror for linphone-android (https://gitlab.linphone.org/BC/public/linphone-android)