A2Billing : VOIP Billing, Softswitch & Calling Cards Software
A2Billing is a class 4 / 5 softswitch with inline billing, designed for providing residential, business and wholesale VoIP services, calling cards and Call-back
VOIP Billing, Softswitch, Calling Cards, Pabx Billing, Callback, IP Centrex, PBX Billing, VoIP Business, VoIP Rating, Class 5 Softswitch
Is this your site? Certify your site and update informations
