ASTPP is renowned as the #1 open source Class 4 Softswitch and Class 5 Softswitch based on FreeSWITCH. It is developed to meet the needs of wholesale, retail, and other VoIP service providers. For several years, it has been bringing transformational changes in the VoIP industry with its innovative features and exceptional performance.
Open Source Voip Billing Platform , Voip Billing Platform , Class 4 software Devlopment , Class 5 Software Devlopment , Class 4 Software solution , Class 5 Software Solution , Multi Tenant IP PBX Solution , VoIP Billing Solution , Calling Card Solution , open source Class 4 Softswitch , open source Class 5 Softswitch , class 5 softswitch , class 4 softswitch