A2Billing is free and open source software for Asterisk, providing telecoms customer management including admin, agent, customer and online signup pages, with flexible inline rating and billing of calls and services in real time. A2billing can also be integrated with many third party applications to create innovative and profitable telecoms services. GVenture provides you the A2Billing Solution to help you get the latest feature and customize it according to your needs.

Key Features:
* Add Customers
* Generate batches of customers and calling cards
* Prepaid and post-paid customers
* Flexible auto account debit
* Auto refill
* Credit limit notifications by email
* Bulk updates to customers
* Multiple expiry options for card

Contact us at:
Website: www.gventure.us
Call us: +1(914) 580-6760
Email us: info@gventure.us