csvoiptelecom/ASTPP
Open Source VOIP Billing Platform ASTPP is a billing solution for Freeswitch and Asterisk. 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, callbacks, etc. ASTPP is able to integrate with OSCommerce to provide a Web store for your users to purchase calling cards and sign up for VoIP accounts.