5 top Open Source VoIP Billing Systems in 2023

  • Tue, 05/12/2015 - 02:10 by aatif

Best Open Source VoIP Billing Software Projects

We did not ignore the contributions of the open-source community. Open-source community helps us in almost every field of life like business, technology, telecommunication, medical science, accounting, and billing, etc. Open-source community helps you managing your business either it's small or large, changed the concept of physical shopping store with online shopping store, provided a way of monitoring personal bank accounts.

In this article, I have tried to write the five best open source billing software systems. Open-source community pays special attention to building the billing and invoicing free of cost solution which helps small and large size organization. Let we see these open source billing solution, it may address your business needs.

Here we have listed the top five VoIP billing solutions ranking wise and our criteria to rank the best five applications is based on Github http:/wwwgithub.org project stars + update frequency + latest development + maturity + relevance to VOIP billing of the application in question however we are open to accept any feedback from user personal experience.


pyfreebilling is an open-source wholesale billing platform designed for high performance and scalability. It is suitable for residential, business, and wholesale VoIP providers. It is offered as an open-source AGPL v3 license. Pyfreebilling is based on Kamailio and Freeswitch

A2Billing is a free and open-source calling-card and billing platform. It is a powerful solution for inline billing and it is designed in such a way that it meets the residential and wholesale VoIP services requirement. It allows different billing options such as per-second billing and stepped billing and subscription. It provides the feature of a Call detail report (CDR) with buy and sell rate and also included reports and statistics for agents and resellers.


ASTPP Version 6 Released (2022)

ASTPP is an Open Source VoIP Billing Solution for Freeswitch. It supports pre-paid and post-paid billing with call rating and credit control. It also provides many other features such as calling cards, least cost routing (LCR), did management, resellers management, etc.

Magnusbilling is softswitch and an open-source billing and customer service software solution. MagnusBilling is a fast, secure, efficient, high availability, VOIP Billing, it provides complete WEB panel for the administrator, reseller and customers

CDR States
CDR-Stats is a web based CDR (Call Data Record) billing mediation platform with call rating and CDR analysis for multiple tenants having the capability to support Asterisk, FreeSWITCH, Kamailio, and almost any other open source and proprietary switch CDR format including Cisco and Alcatel-Lucent.

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