ASTPP : Open Source VoIP Billing & Smart Telephony Platform
128, City Road, London, EC1V 2NX, United Kingdom, Islington, London, United Kingdom - EC1V 2NX
+1 315 898 1313
ASTPP is a carrier-grade, open-source VoIP billing and smart telephony platform built for telecom operators, carriers, ISPs, and VoIP b..... a unified