IDT CORP revenue for the last year amounted to 1.11 B EUR, the most of which — 830.91 M EUR — came from its highest performing source at the moment, Traditional Communications, the year earlier bringing 911.91 M EUR. The greatest contribution to the revenue figure was made by United States — last year it brought IDT CORP 852.48 M EUR, and the year before that — 811.40 M EUR.