Open Source VoIP Billing Solution http://www.astppbilling.org | Report a bug https://jira.astppbilling.org

VoIP architectures and use cases involving Kamailio SIP Server and its modules includes RTPEngine

OpenSource Freeswitch & Kamailio Billing, rating and Routing Software

P-KISS-SBC - simple and stupid SIP/RTP SBC - AGPL v3 - Based on kamailio / RTP Engine

IP Phone – lightweight SIP softphone for Windows

Silent is very lightweight, high quality - low latency voice chat for gaming. The server runs on Windows and Linux.

📞 Open Source Telephony API Platform

Open software for HEVC video calls

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

baresip python wrapper

Spixi chat client/instant messenger and wallet for the Ixian platform.

Evil Martians' telephony application that run our phone numbers

Platform-independent voice-over-IP peer-to-peer communication program

Python Based Open Source VoIP GUI Calling App

Brilliant iOS and WatchOS app for nerdy guys.

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

DEPRECATED Cisco Communications Manager (CUCM) VOIP Phone Info Web Application Server

Simple dialer is a system for automatic dialing of subscribers using an asterisk.

SIP command line utility

Line of business tooling for VOIP services.