1. An apparatus for providing an interactive service to a user of a mobile telecommunications device, the apparatus comprising: means, in the mobile device, for detecting an occurrence of an event at the mobile telecommunications device, wherein the event is not related to a call placed by or to the mobile telecommunications device; means, in the mobile telecommunications device and coupled to the means for detecting, for determining that the event is related to one or more scripts stored in the mobile telecommunications device; means, in the mobile telecommunications device and coupled to the means for determining, for initiating the one or more determined scripts to run on the mobile telecommunications device; and means, in the mobile telecommunications device and coupled to the means for initiating, for launching an application to locally simulate at least in part a communication to the mobile telecommunications device based on the one or more initiated scripts, wherein the locally simulated communication provides at least an interactive service to the user of the mobile telecommunications device.