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

📞 Open Source Telephony API Platform

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.

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

Python Based Open Source VoIP GUI Calling App

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

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

SIP command line utility

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

Silent is very lightweight, high quality - low latency voice chat for gaming.

Line of business tooling for VOIP services.