1. An integrated application delivery system, comprising: a switch operative to be coupled to a first network and at least a second network, the first network including distinct voice and data applications, the second network including one or more user devices, the switch being operative to transfer voice and data between respective ones of the applications on the first network and respective ones of the user devices on the second network; and a controller coupled to the switch, the controller including a finite state machine controlling the interaction between the voice and data applications and the user devices, the finite state machine being operative to control the transfer of voice and data between the applications and the user devices by the switch so as to enable a user to interact with the voice and data applications simultaneously via the user devices.