Abstract: A method and system of controlling telephony sessions, the method comprising the steps of providing a platform server operated by a service provider, the platform server programmed to perform the steps of, providing an interface for use by a developer associated with a first client for specifying at least one interactive telephony (IT) application in a scripted language that includes application program interface (API) extensions associated with different IT functions, receiving input via the interface selecting and ordering the IT functions to specify at least a first IT application, storing the at least a first IT application in a database, receiving a call from a first customer, running the first IT application to elicit information from the first customer independent of the first client and in response to input received from the first customer, linking the first customer to a specific phone extension associated with the first client.

Abstract: A method of processing telephony sessions for telephony clients, the method comprising the steps of providing a platform server operated by a service provider, the platform server programmed to perform the steps of storing at least one telephony application for each of a plurality of telephony clients of the service provider, receiving a call from a customer at the platform server to one of the telephony clients, identifying a telephony client associated with the received call, identifying an interactive telephony application associated with the telephony client and the received call and performing the identified interactive telephony application on the platform server on behalf of the identified telephony client and independent of any instructions from the telephony client.