ASTPP has been empowering various VoIP businesses and service providers with its amazing Open Source VoIP solutions. It is regarded as one of the top VoIP billing solutions and the #1 open source FreeSWITCH-driven Class 4 and Class 5 Softswitch Solutions, which automates invoicing and billing processes completely.

ASTPP is one of few solutions that support the N-level reseller structure. It uses cutting edge technologies like FreeSWITCH and OpenSIPs as core technologies to provide the most robust, reliable, and scalable solutions.

ASTPP is a smart telephony platform, which has a suite of smart VoIP telephony solutions to offer to service providers and businesses, including, but not limited to:

Class 4 Softswitch 
Class 5 Softswitch 
VoIP Billing  
Calling Cards 
Multi Tenant IP PBX 
DID Management 
FreeSWITCH Billing 
FoIP (Fax Over IP) 
STIR/SHAKEN 
Call Forwarding 
SIP Trunking 
MVNO Billing 
Mobile Dialer 
Pc Dialer