ASTPP is an open source VoIP billing platform designed for FusionPBX and FreeSWITCH.
ASTPP aims to contribute a robust billing solution for FreeSWTICH to open-source community. It supports pre-paid and post-paid billing with call rating and credit control. Along with these features it also provides additional ones such as calling cards, least cost routing (LCR), DID management, reseller's management, etc.
The current version of ASTPP is 3.0 which was released in July 2016. ASTPP is based on GPL license which makes it open source.
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