This disclosure describes the integration of a digital voice assistant application with a vehicular hands-free (e.g., Bluetooth) calling system. A user pairs their mobile device, e.g., smartphone, tablet, etc., with a vehicular hands-free system to facilitate hands-free calling. The dialing of a designated number using the mobile device serves as an indicator to the Bluetooth stack and/or the operating system to trigger the voice assistant application. When triggered, the voice assistant application receives commands and input via voice over Bluetooth. Responses from the voice assistant application are played over the speaker system.
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Gururaghavendran, Ashwin, "Hands-free voice assistant application in a vehicle", Technical Disclosure Commons, (April 05, 2018)