Dear All,
My name is Tung, i would like to hear some guide for deploy Billing System for prepaid.
Current i have a cisco AS5300, a Freeradius server 1.0, i already load IVR Scrip into Cisco by TFTP and Audio file but i dont know how to calculator limit time from Billing System example Customer A have 100US in account how the cisco can known that amount in customer account.