Iristel is a leading carrier of international long distance telephone calls and provider of retail prepaid calling cards sold online. We provide high quality service for billions of minutes of international calls through our global VOIP network.Iristel sells international phone-to-phone call completion to carriers and routes those calls over the internet. Our customers include many of the world's largest carriers who subcontract their international voice traffic to iristel in an effort to ease their costs, while providing top tier service that is virtually identical to that of traditional phone networks.