ASTPP - 2026 Pricing, Features, Reviews & Alternatives

ASTPP is an open-source VoIP billing software that functions as a comprehensive telecommunications management platform, integrating Class 4 and Class 5 softswitch capabilities with advanced billing automation. The system is specifically designed for wholesale and retail VoIP service providers seeking to streamline their billing and routing processes without significant capital investment. The platform serves diverse telecommunications sectors including carriers, calling card providers, multi-tenant IP PBX operators, and SIP trunking services across more than ninety-five countries with over twenty thousand installations worldwide.

The platform features a robust suite of account and billing management tools that enable precise control over telecommunications operations. Key functionalities include comprehensive accounts management for organizing customers, resellers, and providers; sophisticated tariff plan creation with independent origination and termination rate handling; advanced call routing strategies including least cost routing, CLI/non-CLI routing, priority-based routing, and lossless routing; and automated invoicing with support for both prepaid and postpaid billing models. The system also incorporates DID management capabilities for allocation, routing, and billing of direct inward dialing numbers; customizable fraud detection mechanisms; personalized rate configuration; and detailed real-time reporting with historical data analysis.