1. A method for enabling global grammars for a particular multimodal application, the method implemented on a multimodal device supporting at least a voice mode of user interaction with the multimodal application, the method comprising: loading a multimodal web page; determining whether the loaded multimodal web page is one of a plurality of multimodal web pages of the particular multimodal application; and managing enabling of one or more global grammars based at least in part on the determination of whether the loaded multimodal web page is one of the plurality of multimodal web pages of the particular multimodal application.