All of your customers are organised into separate Accounts. Customers make calls by authenticating their VoIP equipment into their account using a unique account number and password. Each account has a calling balance. If an account's balance plus its credit limit (available funds) is positive, calls are allowed to proceed.
Each account is allocated a tariff, and the tariff determines the per-minute rates that the account will be charged. These rates can be overridden by setting Special Rates for an account.
DUAL Softswitch provides tools for managing your customers' accounts, including: