RingCentral Inc. revenue for the last year amounted to 2.00 B EUR, the most of which — 1.90 B EUR — came from its highest performing source at the moment, Subscriptions, the year earlier bringing 1.76 B EUR. The greatest contribution to the revenue figure was made by North America — last year it brought RingCentral Inc. 1.80 B EUR, and the year before that — 1.67 B EUR.