Rates of the call shop are usually defined by the administrator, but the rate plans are managed in the main database of the billing system. All the rates are dependent on the charging policy; in case of a destination based billing rates are specified according to the area codes in the supported destinations.
international voip wholesales:
mobile dialer & reseller for a2z country, a2z route, also voipswitch +mobile dialer+pc2phone all mode: cheap rate, contac me: ranju@live.com.bd or sales@rimi-telecom.net