SilentEndState.js

function SilentEndState(name, text, next, handlers) {
    // State that mimicks the USSD behaviour when a USSD session ends
    // it fast forwards to the start of the InteractionMachine.
    // We need to do this because SMS/Twitter doesn't have the Session capabities
    // that provide us this functionality when using USSD.
    var self = this;
    handlers = handlers || {};
    if(handlers.on_enter === undefined) {
        handlers.on_enter = function() {
            self.input_event('', function() {});
        };
    }
    self.send_reply = function(){
        return false;
    };
    EndState.call(self, name, text, next, handlers);
}