This paper presents a multimodal interface architecture that combines standardized voice and ink formats to facilitate the creation of robust and efficient multimodal mobile e-Commerce systems, particularly for noisy mobile environments. The platform provides a Web interactive system for generic multimodal application development. By providing mutual disambiguation of input signals and superior error handling this architecture should broaden the spectrum of users to the general population, including permanently and temporarily disabled users. Integration of VoiceXML and InkXML provides a standard data format to facilitate Web based development and content delivery. We present a prototype platform and sample dialogues.
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