ASTPP is a renowned Open Source VoIP Billing and it is the core solution running many businesses all across the globe for more than 12 years now. In 2019, the community launched a smart telephony version of ASTPP. It further added an enterprise version of ASTPP along with its open source version. In addition to the VoIP billing software, which has been part of ASTPP for 12+ years, many amazing VoIP solutions are added as part of ASTPP add-ons or core features in 2019.