For many voip vendors its a big problem to manage voip call rates from different vendors like getting good price good call time rates e.t.c.With this script you can get rates from many vendors automatically and manage automatically your pre set rule You can get rates from different vendors ( reseller / wholeseller/ Partners) and script will calculate those rates based on your settings and gives you one compiled rates, You can get different rates for different customers and types of customers like wholeseller, resellers e.t.c