According to an embodiment of the invention, a physical location of a mobile device is determined, and a determination is made that a subject device is available for command via the mobile device based at least in part on the physical location of the mobile device. Information regarding voice recognition capability of the subject device is transferred to the mobile device. A voice command is received by the mobile device, the voice command is interpreted, and an instruction is provided to the subject device based at least in part on the voice command.