Self-Hosted Software Communication - SIP
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Easy to use but advanced IP PBX system, VoIP gateway and conference server. `GPL-2.0` `C`is an Open Source VoIP Billing Solution for Freeswitch. It supports prepaid and postpaid billing with call rating and credit control. It also provides many other features. ([Source Code](https://github.com/iNextrix/ASTPP)) `AGPL-3.0` `PHP`Web-based open source GUI that controls and manages Asterisk. ([Source Code](https://git.freepbx.org/projects/FREEPBX)) `GPL-2.0` `PHP`Scalable open source cross-platform telephony platform. ([Source Code](https://freeswitch.org/stash/projects/FS/repos/freeswitch/browse)) `MPL-2.0` `C`Open source project that provides a customizable and flexible web interface to the very powerful and highly scalable multi-platform voice switch called FreeSWITCH. ([Source Code](https://github.com/fusionpbx/fusionpbx)) `MPL-1.1` `PHP`Modular SIP server (registrar/proxy/router/etc). ([Source Code](https://github.com/kamailio/kamailio)) `GPL-2.0` `C`KAZOO is an open-source, highly scalable software platform designed to provide carrier-grade VoIP switch functions and features. ([Source Code](https://github.com/2600hz/KAZOO)) `MPL-1.1` `Erlang`Secure SIP telephony setup with ZRTP encryption. `GPL-3.0` `Ruby`A lightweight sip proxy, location server, and registrar for a reliable and scalable SIP infrastructure. ([Source Code](https://github.com/fonoster/routr)) `MIT` `Javascript`VoIP troubleshooting and monitoring platform. ([Demo](https://demo.sip3.io), [Source Code](https://github.com/sip3io/)) `Apache-2.0` `Kotlin`Troubleshooting and monitoring VoIP calls. ([Source Code](https://github.com/sipcapture/homer)) `AGPL-3.0` `Angular/C`Open source unified communications system. ([Source Code](https://github.com/sipXcom/sipxecs)) `AGPL-3.0` `Java`Full-featured IPBX solution built atop Asterisk with integrated Web administration interface and REST-ful API. ([Source Code](https://github.com/wazo-platform)) `GPL-3.0` `Python`Transit class4 softswitch(SBC) with integrated billing and routing engine and REST API. ([Demo](https://yeti-switch.org/demo.html), [Source Code](https://github.com/yeti-switch)) `GPL-2.0` `C++/Ruby`