If you like to register as a DCalling Reseller you need your trade licence and fill out the forms at https://login.dcalling.de/reseller. Your Reseller Account enables you to put up balance and assign it to the DCalling Phone Cards that you sold to your customers. The minimum cost of a phone card is 5 Euro. The DCalling Phone Card replaces the tradional phone cards and enables your clients to use DCalling even without having internet.