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