A2Billing is an open source VoIP billing platform, which is free and easy downloadable. It comes along with professional technical support and highly engaged user community. It will give you enough confidence to build your own telecom business around A2Billing.

A2Billing is a VoIP billing softswitch solution for Asterisk. It is a perfect solution for any telecom company intending to provide Voice over IP, calling card and call-back services, also DID phone number resale.

Wholesale VoIP

Business VoIP

Residential VoIP

Along with A2Billing development enterprise-grade features are constantly supplemented. The package of these features allows adaptive flexibility to create telecom service delivering exceptional customer experience. A2billing can also easily be integrated with many third-party applications to create innovative and profitable telecom services.

A2Billing is licensed under the AGPLv2. Recently A2Billing has released its 2.1.1. version with tangible improvements.