1. A system comprising: a call router constructed to: manage a plurality of telephony applications provided by a plurality of internet application servers external to the system, wherein each telephony application controls interaction between a telephony device and a respective internet application server, generate an event from at least one of the plurality of telephony applications during the management of the at least one telephony application, and publish each generated event to an event router; and the event router, the event router being constructed to: responsive to publishing of an event by the call router, identify at least one subscriber to the published event, and send the published event from the event router to the at least one subscriber, wherein the system is a multi-tenant telephony web event system.